{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Exercise 2: Implement the A-Priori algorithm\n",
    "\n",
    "Implement a version of the A-Priori algorithm on your own. You may assume your data is given as a list of baskets."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[['sausage',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'pickled vegetables',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'semi-finished bread',\n",
       "  'misc. beverages'],\n",
       " ['white bread',\n",
       "  'sausage',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'whole milk'],\n",
       " ['butter',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'whole milk',\n",
       "  'specialty chocolate',\n",
       "  'sugar'],\n",
       " ['sausage',\n",
       "  'detergent',\n",
       "  'dental care',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'frozen meals'],\n",
       " ['pastry',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'frozen fish',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'hygiene articles',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'cling film/bags',\n",
       "  'red/blush wine',\n",
       "  'dish cleaner'],\n",
       " ['whipped/sour cream', 'margarine', 'rolls/buns'],\n",
       " ['chicken',\n",
       "  'rice',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'chocolate',\n",
       "  'flour',\n",
       "  'rolls/buns',\n",
       "  'softener',\n",
       "  'shopping bags',\n",
       "  'skin care',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['white wine',\n",
       "  'photo/film',\n",
       "  'domestic eggs',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'liver loaf',\n",
       "  'liquor (appetizer)',\n",
       "  'dessert',\n",
       "  'yogurt'],\n",
       " ['herbs',\n",
       "  'cocoa drinks',\n",
       "  'canned fish',\n",
       "  'tropical fruit',\n",
       "  'newspapers',\n",
       "  'ketchup',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['UHT-milk',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'candles',\n",
       "  'kitchen towels',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'sliced cheese'],\n",
       " ['curd cheese',\n",
       "  'herbs',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'candles',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['brown bread',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'processed cheese',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['hard cheese',\n",
       "  'meat',\n",
       "  'mayonnaise',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'napkins',\n",
       "  'bottled water',\n",
       "  'roll products ',\n",
       "  'root vegetables',\n",
       "  'candy',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'mustard'],\n",
       " ['yogurt',\n",
       "  'sausage',\n",
       "  'butter milk',\n",
       "  'canned beer',\n",
       "  'cookware',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['chocolate',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'whole milk'],\n",
       " ['chicken',\n",
       "  'mayonnaise',\n",
       "  'oil',\n",
       "  'UHT-milk',\n",
       "  'pip fruit',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'bottled beer',\n",
       "  'red/blush wine'],\n",
       " ['other vegetables',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'pet care'],\n",
       " ['butter milk',\n",
       "  'curd',\n",
       "  'long life bakery product',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'berries',\n",
       "  'cake bar',\n",
       "  'domestic eggs'],\n",
       " ['hamburger meat', 'red/blush wine'],\n",
       " ['butter',\n",
       "  'frozen fish',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'spices',\n",
       "  'shopping bags',\n",
       "  'frozen meals',\n",
       "  'yogurt'],\n",
       " ['butter',\n",
       "  'curd',\n",
       "  'tropical fruit',\n",
       "  'liquor',\n",
       "  'rolls/buns',\n",
       "  'baking powder',\n",
       "  'yogurt',\n",
       "  'sliced cheese'],\n",
       " ['sausage',\n",
       "  'napkins',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'whipped/sour cream'],\n",
       " ['chicken',\n",
       "  'yogurt',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'domestic eggs',\n",
       "  'curd',\n",
       "  'male cosmetics',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'packaged fruit/vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'frozen meals',\n",
       "  'bottled beer'],\n",
       " ['tropical fruit', 'other vegetables', 'root vegetables', 'fish'],\n",
       " ['cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'shopping bags',\n",
       "  'ham'],\n",
       " ['butter',\n",
       "  'sausage',\n",
       "  'dental care',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'pickled vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'dessert',\n",
       "  'yogurt'],\n",
       " ['salt',\n",
       "  'bottled water',\n",
       "  'softener',\n",
       "  'hamburger meat',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'red/blush wine'],\n",
       " ['butter',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'baking powder',\n",
       "  'specialty chocolate',\n",
       "  'flower (seeds)',\n",
       "  'sugar'],\n",
       " ['dessert', 'ham'],\n",
       " ['cream cheese ',\n",
       "  'other vegetables',\n",
       "  'beverages',\n",
       "  'pot plants',\n",
       "  'berries',\n",
       "  'ice cream'],\n",
       " ['pastry',\n",
       "  'butter',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'newspapers',\n",
       "  'berries',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'ice cream'],\n",
       " ['chicken',\n",
       "  'sausage',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'snack products',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'dessert',\n",
       "  'pastry',\n",
       "  'waffles'],\n",
       " ['yogurt',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'newspapers',\n",
       "  'cling film/bags',\n",
       "  'domestic eggs',\n",
       "  'cat food',\n",
       "  'frozen meals'],\n",
       " ['salt',\n",
       "  'white wine',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'white bread',\n",
       "  'frozen vegetables',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['vinegar', 'fruit/vegetable juice'],\n",
       " ['white bread',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'cake bar',\n",
       "  'yogurt',\n",
       "  'chewing gum'],\n",
       " ['herbs',\n",
       "  'butter',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'Instant food products',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'cake bar',\n",
       "  'pork',\n",
       "  'specialty chocolate',\n",
       "  'frozen meals',\n",
       "  'fruit/vegetable juice'],\n",
       " ['salty snack', 'rolls/buns'],\n",
       " ['chicken',\n",
       "  'white bread',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'pasta',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['chicken',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'hamburger meat',\n",
       "  'candy',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'prosecco'],\n",
       " ['bottled water',\n",
       "  'other vegetables',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'dessert'],\n",
       " ['tropical fruit',\n",
       "  'napkins',\n",
       "  'chocolate marshmallow',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'sliced cheese'],\n",
       " ['tropical fruit', 'curd', 'other vegetables', 'root vegetables'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'root vegetables',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'Instant food products',\n",
       "  'yogurt',\n",
       "  'specialty chocolate'],\n",
       " ['pork', 'pastry', 'whole milk', 'bottled water'],\n",
       " ['butter', 'pip fruit', 'curd', 'soda', 'sweet spreads'],\n",
       " ['tropical fruit', 'soda', 'condensed milk', 'rolls/buns', 'whole milk'],\n",
       " ['butter',\n",
       "  'herbs',\n",
       "  'white bread',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'candy',\n",
       "  'whole milk',\n",
       "  'margarine'],\n",
       " ['meat',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'house keeping products',\n",
       "  'beverages',\n",
       "  'dishes',\n",
       "  'pasta',\n",
       "  'hygiene articles',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['cream cheese ',\n",
       "  'other vegetables',\n",
       "  'fish',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'popcorn',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'dishes',\n",
       "  'shopping bags',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'red/blush wine',\n",
       "  'female sanitary products'],\n",
       " ['butter',\n",
       "  'pork',\n",
       "  'chicken',\n",
       "  'dog food',\n",
       "  'butter milk',\n",
       "  'grapes',\n",
       "  'detergent',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'bottled water',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'hamburger meat',\n",
       "  'beef',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'chewing gum'],\n",
       " ['chicken',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'waffles',\n",
       "  'sugar'],\n",
       " ['oil',\n",
       "  'photo/film',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'margarine',\n",
       "  'bottled beer'],\n",
       " ['white wine', 'bottled water', 'soda', 'newspapers', 'yogurt', 'pork'],\n",
       " ['other vegetables',\n",
       "  'pip fruit',\n",
       "  'meat spreads',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'ham'],\n",
       " ['UHT-milk',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'pickled vegetables',\n",
       "  'domestic eggs',\n",
       "  'sliced cheese'],\n",
       " ['chicken',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'root vegetables',\n",
       "  'yogurt'],\n",
       " ['sausage', 'salty snack', 'dessert', 'cling film/bags', 'spread cheese'],\n",
       " ['hard cheese',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'chocolate',\n",
       "  'Instant food products',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'fruit/vegetable juice',\n",
       "  'dessert',\n",
       "  'margarine',\n",
       "  'bottled beer'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'sauces',\n",
       "  'long life bakery product',\n",
       "  'ketchup',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'frozen fruits'],\n",
       " ['citrus fruit', 'candy', 'whole milk', 'rolls/buns'],\n",
       " ['cream cheese ',\n",
       "  'other vegetables',\n",
       "  'long life bakery product',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk'],\n",
       " ['tropical fruit',\n",
       "  'frozen fish',\n",
       "  'frankfurter',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'rum',\n",
       "  'beef',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'red/blush wine'],\n",
       " ['oil',\n",
       "  'other vegetables',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['tropical fruit',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'whole milk',\n",
       "  'pork'],\n",
       " ['pork', 'soda', 'spread cheese', 'yogurt'],\n",
       " ['salt',\n",
       "  'brown bread',\n",
       "  'domestic eggs',\n",
       "  'tropical fruit',\n",
       "  'rolls/buns',\n",
       "  'dishes',\n",
       "  'fruit/vegetable juice',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'sliced cheese'],\n",
       " ['citrus fruit', 'cream cheese ', 'newspapers', 'red/blush wine'],\n",
       " ['fruit/vegetable juice', 'roll products ', 'yogurt'],\n",
       " ['frankfurter', 'canned beer', 'other vegetables', 'ham'],\n",
       " ['salt',\n",
       "  'brown bread',\n",
       "  'pip fruit',\n",
       "  'curd',\n",
       "  'bottled water',\n",
       "  'domestic eggs',\n",
       "  'dishes',\n",
       "  'finished products',\n",
       "  'yogurt',\n",
       "  'prosecco'],\n",
       " ['oil',\n",
       "  'detergent',\n",
       "  'ketchup',\n",
       "  'candy',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'instant coffee',\n",
       "  'flower (seeds)',\n",
       "  'semi-finished bread',\n",
       "  'misc. beverages'],\n",
       " ['UHT-milk',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'canned fish',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'dishes',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'frozen meals'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'whole milk',\n",
       "  'ham'],\n",
       " ['butter',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'artif. sweetener',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'pastry'],\n",
       " ['chicken',\n",
       "  'white bread',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'rolls/buns'],\n",
       " ['bottled water',\n",
       "  'napkins',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'red/blush wine',\n",
       "  'sweet spreads'],\n",
       " ['frozen vegetables', 'canned beer', 'soda', 'root vegetables', 'pet care'],\n",
       " ['butter milk',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'beverages',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'bottled beer'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'hygiene articles',\n",
       "  'margarine',\n",
       "  'beef'],\n",
       " ['bathroom cleaner',\n",
       "  'soda',\n",
       "  'hamburger meat',\n",
       "  'whole milk',\n",
       "  'sliced cheese',\n",
       "  'pork',\n",
       "  'specialty chocolate'],\n",
       " ['other vegetables', 'pip fruit'],\n",
       " ['other vegetables',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'yogurt'],\n",
       " ['herbs',\n",
       "  'butter',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'margarine',\n",
       "  'ice cream'],\n",
       " ['herbs',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'pot plants',\n",
       "  'berries',\n",
       "  'chocolate',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'ham',\n",
       "  'specialty chocolate',\n",
       "  'jam',\n",
       "  'flower (seeds)'],\n",
       " ['hard cheese',\n",
       "  'meat',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'tropical fruit',\n",
       "  'berries',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['sauces', 'yogurt'],\n",
       " ['pastry',\n",
       "  'ice cream',\n",
       "  'sausage',\n",
       "  'napkins',\n",
       "  'detergent',\n",
       "  'dishes',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'specialty chocolate',\n",
       "  'whisky'],\n",
       " ['yogurt',\n",
       "  'grapes',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'salty snack',\n",
       "  'newspapers',\n",
       "  'shopping bags',\n",
       "  'Instant food products',\n",
       "  'photo/film',\n",
       "  'bottled beer'],\n",
       " ['dessert', 'domestic eggs'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'chocolate marshmallow',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'newspapers',\n",
       "  'pasta',\n",
       "  'salty snack',\n",
       "  'flour',\n",
       "  'whole milk',\n",
       "  'waffles',\n",
       "  'misc. beverages'],\n",
       " ['bottled water',\n",
       "  'domestic eggs',\n",
       "  'flour',\n",
       "  'packaged fruit/vegetables',\n",
       "  'pickled vegetables',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['fruit/vegetable juice', 'pip fruit'],\n",
       " ['hard cheese',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'cake bar'],\n",
       " ['grapes',\n",
       "  'napkins',\n",
       "  'candy',\n",
       "  'cat food',\n",
       "  'hard cheese',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'specialty chocolate',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'yogurt'],\n",
       " ['pip fruit',\n",
       "  'brown bread',\n",
       "  'root vegetables',\n",
       "  'instant coffee',\n",
       "  'pork',\n",
       "  'spread cheese'],\n",
       " ['pudding powder',\n",
       "  'butter',\n",
       "  'grapes',\n",
       "  'butter milk',\n",
       "  'soda',\n",
       "  'hamburger meat',\n",
       "  'pasta',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['other vegetables',\n",
       "  'brown bread',\n",
       "  'processed cheese',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'sparkling wine'],\n",
       " ['white bread',\n",
       "  'white wine',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'detergent',\n",
       "  'frozen vegetables',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'candy',\n",
       "  'yogurt'],\n",
       " ['pastry',\n",
       "  'herbs',\n",
       "  'chicken',\n",
       "  'candles',\n",
       "  'hygiene articles',\n",
       "  'cream',\n",
       "  'tea',\n",
       "  'yogurt',\n",
       "  'ice cream',\n",
       "  'waffles'],\n",
       " ['herbs',\n",
       "  'yogurt',\n",
       "  'other vegetables',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['chicken',\n",
       "  'semi-finished bread',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'specialty fat',\n",
       "  'citrus fruit',\n",
       "  'liver loaf',\n",
       "  'shopping bags',\n",
       "  'beef',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'spread cheese',\n",
       "  'misc. beverages'],\n",
       " ['oil',\n",
       "  'grapes',\n",
       "  'brown bread',\n",
       "  'canned beer',\n",
       "  'salty snack',\n",
       "  'specialty cheese',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'frozen potato products'],\n",
       " ['pip fruit',\n",
       "  'curd',\n",
       "  'frozen vegetables',\n",
       "  'chocolate',\n",
       "  'salty snack',\n",
       "  'citrus fruit',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'salty snack',\n",
       "  'dishes',\n",
       "  'pickled vegetables',\n",
       "  'liquor',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'ham',\n",
       "  'pastry'],\n",
       " ['UHT-milk',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'flour',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'semi-finished bread',\n",
       "  'sugar'],\n",
       " ['ice cream', 'jam', 'newspapers', 'dish cleaner'],\n",
       " ['pudding powder',\n",
       "  'yogurt',\n",
       "  'domestic eggs',\n",
       "  'curd',\n",
       "  'specialty bar',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'pork'],\n",
       " ['dog food',\n",
       "  'chicken',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'white bread',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'other vegetables',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'turkey'],\n",
       " ['hard cheese',\n",
       "  'chicken',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'frankfurter',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'liquor',\n",
       "  'beverages',\n",
       "  'zwieback',\n",
       "  'soda',\n",
       "  'canned vegetables'],\n",
       " ['meat', 'whipped/sour cream', 'whole milk'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'pip fruit',\n",
       "  'curd',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'sliced cheese',\n",
       "  'house keeping products',\n",
       "  'processed cheese',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'pickled vegetables',\n",
       "  'condensed milk',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'bottled beer',\n",
       "  'pastry',\n",
       "  'hair spray'],\n",
       " ['whole milk', 'grapes'],\n",
       " ['meat',\n",
       "  'rice',\n",
       "  'UHT-milk',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'condensed milk',\n",
       "  'newspapers',\n",
       "  'chocolate marshmallow',\n",
       "  'citrus fruit',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['shopping bags', 'coffee'],\n",
       " ['chicken',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'root vegetables',\n",
       "  'dishes',\n",
       "  'citrus fruit'],\n",
       " ['oil',\n",
       "  'pip fruit',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'canned vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'cling film/bags',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['hygiene articles', 'bottled beer', 'soda', 'yogurt'],\n",
       " ['sausage',\n",
       "  'popcorn',\n",
       "  'root vegetables',\n",
       "  'condensed milk',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'pastry'],\n",
       " ['napkins',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'roll products ',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'pastry'],\n",
       " ['meat',\n",
       "  'white bread',\n",
       "  'frozen vegetables',\n",
       "  'specialty bar',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'liquor',\n",
       "  'domestic eggs'],\n",
       " ['yogurt',\n",
       "  'white wine',\n",
       "  'grapes',\n",
       "  'cream cheese ',\n",
       "  'brown bread',\n",
       "  'shopping bags',\n",
       "  'tea',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'baking powder',\n",
       "  'specialty chocolate',\n",
       "  'flower (seeds)'],\n",
       " ['cream cheese ',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'softener',\n",
       "  'dessert',\n",
       "  'margarine',\n",
       "  'yogurt'],\n",
       " ['other vegetables',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'semi-finished bread'],\n",
       " ['rice',\n",
       "  'sausage',\n",
       "  'domestic eggs',\n",
       "  'curd',\n",
       "  'napkins',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['cream cheese ',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'newspapers',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['hard cheese',\n",
       "  'butter',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'dessert'],\n",
       " ['herbs',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'instant coffee',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'flower (seeds)'],\n",
       " ['nut snack', 'other vegetables', 'canned beer', 'whole milk', 'sugar'],\n",
       " ['butter milk',\n",
       "  'napkins',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whole milk'],\n",
       " ['brown bread',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'pickled vegetables',\n",
       "  'pork',\n",
       "  'misc. beverages'],\n",
       " ['other vegetables',\n",
       "  'pip fruit',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'cling film/bags',\n",
       "  'photo/film',\n",
       "  'waffles'],\n",
       " ['white bread',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'yogurt'],\n",
       " ['chicken',\n",
       "  'brown bread',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'soups',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'rolls/buns'],\n",
       " ['oil',\n",
       "  'UHT-milk',\n",
       "  'sugar',\n",
       "  'soda',\n",
       "  'pickled vegetables',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'spread cheese',\n",
       "  'misc. beverages'],\n",
       " ['hard cheese',\n",
       "  'chicken',\n",
       "  'meat',\n",
       "  'white bread',\n",
       "  'fish',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['other vegetables',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'bottled beer'],\n",
       " ['bottled beer',\n",
       "  'pork',\n",
       "  'soda',\n",
       "  'candy',\n",
       "  'cereals',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'berries',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'curd',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'sliced cheese',\n",
       "  'waffles'],\n",
       " ['canned fish',\n",
       "  'detergent',\n",
       "  'soda',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'specialty chocolate'],\n",
       " ['dog food',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'sliced cheese'],\n",
       " ['chicken',\n",
       "  'yogurt',\n",
       "  'seasonal products',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'bottled beer'],\n",
       " ['UHT-milk',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'fruit/vegetable juice',\n",
       "  'sugar'],\n",
       " ['pip fruit', 'curd', 'soft cheese', 'berries', 'pastry'],\n",
       " ['curd cheese',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['butter',\n",
       "  'chicken',\n",
       "  'ready soups',\n",
       "  'grapes',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'soft cheese',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'mustard',\n",
       "  'chewing gum',\n",
       "  'ice cream',\n",
       "  'bottled beer',\n",
       "  'dish cleaner'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'female sanitary products'],\n",
       " ['sausage',\n",
       "  'brandy',\n",
       "  'frankfurter',\n",
       "  'house keeping products',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pet care'],\n",
       " ['berries', 'other vegetables'],\n",
       " ['UHT-milk',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'napkins',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'frozen meals'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['frozen vegetables', 'soda', 'citrus fruit', 'light bulbs', 'domestic eggs'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'domestic eggs',\n",
       "  'chewing gum',\n",
       "  'frozen meals',\n",
       "  'mustard',\n",
       "  'bottled beer'],\n",
       " ['other vegetables',\n",
       "  'newspapers',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'bottled beer',\n",
       "  'spread cheese'],\n",
       " ['white bread',\n",
       "  'canned beer',\n",
       "  'male cosmetics',\n",
       "  'coffee',\n",
       "  'salty snack',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt',\n",
       "  'red/blush wine',\n",
       "  'misc. beverages'],\n",
       " ['white bread',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'whole milk'],\n",
       " ['other vegetables',\n",
       "  'canned vegetables',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'sliced cheese'],\n",
       " ['curd',\n",
       "  'frozen vegetables',\n",
       "  'house keeping products',\n",
       "  'chocolate',\n",
       "  'packaged fruit/vegetables',\n",
       "  'spices',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'pork'],\n",
       " ['tropical fruit', 'root vegetables', 'brown bread', 'bottled water'],\n",
       " ['other vegetables', 'coffee', 'domestic eggs', 'rolls/buns'],\n",
       " ['herbs',\n",
       "  'UHT-milk',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'long life bakery product',\n",
       "  'chocolate',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'sweet spreads'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'detergent',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'liquor',\n",
       "  'rolls/buns',\n",
       "  'finished products',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'cake bar',\n",
       "  'whipped/sour cream',\n",
       "  'cleaner',\n",
       "  'bottled beer',\n",
       "  'waffles'],\n",
       " ['pork',\n",
       "  'chicken',\n",
       "  'dog food',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'chocolate',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'turkey',\n",
       "  'sparkling wine'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'pasta',\n",
       "  'onions',\n",
       "  'whipped/sour cream',\n",
       "  'specialty chocolate'],\n",
       " ['hard cheese',\n",
       "  'specialty bar',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'margarine',\n",
       "  'bottled beer'],\n",
       " ['pip fruit',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'pickled vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'cling film/bags',\n",
       "  'baking powder',\n",
       "  'syrup'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'white wine',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'berries',\n",
       "  'shopping bags',\n",
       "  'pasta',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'specialty chocolate'],\n",
       " ['hard cheese',\n",
       "  'curd cheese',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'pastry',\n",
       "  'frozen potato products',\n",
       "  'sugar'],\n",
       " ['canned beer', 'dessert', 'brown bread', 'rolls/buns'],\n",
       " ['salt',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'shopping bags',\n",
       "  'pork',\n",
       "  'ice cream',\n",
       "  'jam'],\n",
       " ['chicken', 'napkins', 'soda', 'frozen meals', 'cereals'],\n",
       " ['whole milk', 'citrus fruit', 'white bread', 'frozen potato products'],\n",
       " ['mayonnaise',\n",
       "  'oil',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'root vegetables',\n",
       "  'dishes',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['butter',\n",
       "  'butter milk',\n",
       "  'pip fruit',\n",
       "  'red/blush wine',\n",
       "  'canned fish',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'candy',\n",
       "  'soft cheese',\n",
       "  'shopping bags',\n",
       "  'baking powder',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'ice cream'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'domestic eggs',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'dessert',\n",
       "  'ham',\n",
       "  'pastry',\n",
       "  'bottled beer',\n",
       "  'spread cheese'],\n",
       " ['newspapers', 'root vegetables', 'whole milk', 'beef', 'sweet spreads'],\n",
       " ['pip fruit',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'canned beer',\n",
       "  'chocolate',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'chewing gum',\n",
       "  'ice cream'],\n",
       " ['butter',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'detergent',\n",
       "  'soda',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'canned fruit'],\n",
       " ['other vegetables',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'domestic eggs'],\n",
       " ['butter milk',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'cleaner'],\n",
       " ['tropical fruit', 'sliced cheese', 'dessert', 'bottled beer'],\n",
       " ['pip fruit',\n",
       "  'other vegetables',\n",
       "  'waffles',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'meat spreads',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'soda',\n",
       "  'whipped/sour cream',\n",
       "  'bottled beer',\n",
       "  'specialty chocolate',\n",
       "  'sparkling wine'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'berries',\n",
       "  'specialty chocolate'],\n",
       " ['butter',\n",
       "  'brown bread',\n",
       "  'seasonal products',\n",
       "  'fruit/vegetable juice',\n",
       "  'pastry'],\n",
       " ['citrus fruit', 'shopping bags', 'soda', 'root vegetables'],\n",
       " ['butter',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'whole milk',\n",
       "  'honey',\n",
       "  'pastry'],\n",
       " ['butter',\n",
       "  'liquor',\n",
       "  'soft cheese',\n",
       "  'shopping bags',\n",
       "  'finished products',\n",
       "  'whole milk'],\n",
       " ['mayonnaise',\n",
       "  'pip fruit',\n",
       "  'domestic eggs',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'shopping bags',\n",
       "  'bottled beer'],\n",
       " ['sausage',\n",
       "  'pip fruit',\n",
       "  'brown bread',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'packaged fruit/vegetables',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'sliced cheese',\n",
       "  'waffles',\n",
       "  'misc. beverages'],\n",
       " ['other vegetables',\n",
       "  'frozen fish',\n",
       "  'napkins',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'specialty chocolate'],\n",
       " ['white bread',\n",
       "  'grapes',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'canned vegetables',\n",
       "  'beverages',\n",
       "  'rolls/buns',\n",
       "  'flour',\n",
       "  'popcorn',\n",
       "  'salty snack',\n",
       "  'whole milk',\n",
       "  'sugar'],\n",
       " ['brown bread',\n",
       "  'canned fish',\n",
       "  'detergent',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'dessert'],\n",
       " ['whole milk', 'coffee', 'candles', 'misc. beverages'],\n",
       " ['curd cheese',\n",
       "  'oil',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'roll products ',\n",
       "  'yogurt',\n",
       "  'semi-finished bread'],\n",
       " ['pastry',\n",
       "  'chicken',\n",
       "  'yogurt',\n",
       "  'grapes',\n",
       "  'pip fruit',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'softener',\n",
       "  'rolls/buns',\n",
       "  'chocolate',\n",
       "  'beverages',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'sliced cheese',\n",
       "  'waffles'],\n",
       " ['ready soups',\n",
       "  'oil',\n",
       "  'white bread',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'chewing gum'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'candles',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'softener',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['frankfurter',\n",
       "  'pickled vegetables',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'yogurt',\n",
       "  'semi-finished bread'],\n",
       " ['butter milk',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'shopping bags',\n",
       "  'beef',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'misc. beverages'],\n",
       " ['sausage',\n",
       "  'brown bread',\n",
       "  'long life bakery product',\n",
       "  'specialty cheese',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'dessert',\n",
       "  'ham',\n",
       "  'yogurt'],\n",
       " ['butter',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'finished products',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt'],\n",
       " ['salt',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'beef',\n",
       "  'cat food',\n",
       "  'domestic eggs'],\n",
       " ['chicken',\n",
       "  'brown bread',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'dessert',\n",
       "  'domestic eggs',\n",
       "  'pork',\n",
       "  'margarine',\n",
       "  'bottled beer'],\n",
       " ['chicken', 'meat', 'pip fruit', 'yogurt', 'syrup', 'waffles'],\n",
       " ['grapes',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'sauces',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'sliced cheese',\n",
       "  'semi-finished bread'],\n",
       " ['brown bread',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'specialty fat',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'turkey',\n",
       "  'pastry'],\n",
       " ['dog food',\n",
       "  'grapes',\n",
       "  'bottled water',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['butter',\n",
       "  'meat',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'candles',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'frozen fish',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'cling film/bags'],\n",
       " ['red/blush wine', 'canned beer', 'instant coffee', 'brown bread'],\n",
       " ['ice cream',\n",
       "  'rice',\n",
       "  'specialty chocolate',\n",
       "  'sausage',\n",
       "  'butter milk',\n",
       "  'napkins',\n",
       "  'dental care',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'onions',\n",
       "  'margarine',\n",
       "  'pastry',\n",
       "  'waffles'],\n",
       " ['bottled water', 'sugar'],\n",
       " ['canned beer', 'onions', 'coffee', 'condensed milk'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'UHT-milk',\n",
       "  'flour',\n",
       "  'packaged fruit/vegetables',\n",
       "  'citrus fruit',\n",
       "  'rum',\n",
       "  'ham',\n",
       "  'semi-finished bread'],\n",
       " ['specialty chocolate', 'UHT-milk', 'sausage', 'cooking chocolate'],\n",
       " ['white bread',\n",
       "  'butter milk',\n",
       "  'brown bread',\n",
       "  'other vegetables',\n",
       "  'sliced cheese',\n",
       "  'curd',\n",
       "  'seasonal products',\n",
       "  'detergent',\n",
       "  'soda',\n",
       "  'flour',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'photo/film',\n",
       "  'pastry',\n",
       "  'jam',\n",
       "  'bottled beer'],\n",
       " ['hard cheese',\n",
       "  'vinegar',\n",
       "  'white bread',\n",
       "  'specialty bar',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'domestic eggs',\n",
       "  'pastry'],\n",
       " ['whipped/sour cream', 'yogurt'],\n",
       " ['bottled beer', 'beverages', 'photo/film'],\n",
       " ['white bread',\n",
       "  'brown bread',\n",
       "  'newspapers',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'mustard',\n",
       "  'ham',\n",
       "  'frozen potato products'],\n",
       " ['butter milk',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'sliced cheese',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pastry',\n",
       "  'misc. beverages'],\n",
       " ['hard cheese',\n",
       "  'white wine',\n",
       "  'grapes',\n",
       "  'sausage',\n",
       "  'photo/film',\n",
       "  'detergent',\n",
       "  'sliced cheese',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'flour',\n",
       "  'onions',\n",
       "  'whipped/sour cream',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'ice cream'],\n",
       " ['butter',\n",
       "  'grapes',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'bottled beer'],\n",
       " ['chicken',\n",
       "  'UHT-milk',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'waffles'],\n",
       " ['bottled water',\n",
       "  'curd',\n",
       "  'coffee',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['butter',\n",
       "  'dog food',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'roll products ',\n",
       "  'soda',\n",
       "  'condensed milk',\n",
       "  'abrasive cleaner',\n",
       "  'processed cheese',\n",
       "  'shopping bags',\n",
       "  'bottled beer',\n",
       "  'waffles',\n",
       "  'spread cheese'],\n",
       " ['pip fruit', 'newspapers', 'dishes', 'whole milk', 'cling film/bags'],\n",
       " ['hard cheese',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'sugar',\n",
       "  'beverages',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pork',\n",
       "  'cleaner',\n",
       "  'misc. beverages'],\n",
       " ['frankfurter', 'margarine'],\n",
       " ['meat',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'waffles',\n",
       "  'roll products ',\n",
       "  'processed cheese',\n",
       "  'condensed milk',\n",
       "  'soda',\n",
       "  'finished products',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'bottled beer'],\n",
       " ['hard cheese',\n",
       "  'oil',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'frozen fish',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'baking powder'],\n",
       " ['meat',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'specialty cheese',\n",
       "  'pasta',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'specialty chocolate'],\n",
       " ['dog food',\n",
       "  'butter',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'domestic eggs',\n",
       "  'beverages',\n",
       "  'chocolate',\n",
       "  'citrus fruit',\n",
       "  'pasta',\n",
       "  'shopping bags',\n",
       "  'frozen meals',\n",
       "  'bottled beer',\n",
       "  'sugar'],\n",
       " ['soda', 'cling film/bags'],\n",
       " ['UHT-milk',\n",
       "  'bottled water',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'candy',\n",
       "  'shopping bags'],\n",
       " ['white bread',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'condensed milk',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'processed cheese',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'turkey',\n",
       "  'canned fruit'],\n",
       " ['UHT-milk',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'berries',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt'],\n",
       " ['frozen vegetables', 'candy', 'other vegetables', 'butter'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'frozen vegetables',\n",
       "  'root vegetables',\n",
       "  'packaged fruit/vegetables',\n",
       "  'citrus fruit',\n",
       "  'skin care',\n",
       "  'beef',\n",
       "  'margarine',\n",
       "  'dessert',\n",
       "  'whole milk'],\n",
       " ['coffee', 'soda', 'citrus fruit', 'frozen meals', 'bottled beer'],\n",
       " ['chewing gum', 'other vegetables'],\n",
       " ['canned beer', 'fruit/vegetable juice', 'dessert'],\n",
       " ['chicken',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'pot plants',\n",
       "  'dishes',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'turkey'],\n",
       " ['sausage',\n",
       "  'liqueur',\n",
       "  'processed cheese',\n",
       "  'specialty cheese',\n",
       "  'baking powder',\n",
       "  'pastry'],\n",
       " ['white wine', 'napkins', 'specialty bar', 'ham', 'specialty chocolate'],\n",
       " ['red/blush wine', 'soda'],\n",
       " ['herbs',\n",
       "  'butter',\n",
       "  'oil',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'coffee',\n",
       "  'berries',\n",
       "  'tea',\n",
       "  'domestic eggs',\n",
       "  'sugar'],\n",
       " ['yogurt', 'cream cheese ', 'frozen dessert', 'rolls/buns'],\n",
       " ['frozen vegetables',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt'],\n",
       " ['sausage',\n",
       "  'grapes',\n",
       "  'napkins',\n",
       "  'coffee',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'berries',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'sliced cheese',\n",
       "  'pork',\n",
       "  'ice cream'],\n",
       " ['curd', 'shopping bags', 'sausage', 'pip fruit'],\n",
       " ['hard cheese',\n",
       "  'canned vegetables',\n",
       "  'flour',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'flower (seeds)'],\n",
       " ['pickled vegetables',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'organic sausage',\n",
       "  'sugar'],\n",
       " ['citrus fruit', 'other vegetables', 'frozen meals', 'bottled beer'],\n",
       " ['butter',\n",
       "  'mayonnaise',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'semi-finished bread',\n",
       "  'sugar'],\n",
       " ['UHT-milk',\n",
       "  'pork',\n",
       "  'red/blush wine',\n",
       "  'chicken',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'specialty chocolate',\n",
       "  'cream cheese ',\n",
       "  'yogurt',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'canned fish',\n",
       "  'shopping bags',\n",
       "  'domestic eggs',\n",
       "  'waffles'],\n",
       " ['sliced cheese', 'other vegetables'],\n",
       " ['butter', 'whole milk'],\n",
       " ['oil',\n",
       "  'white wine',\n",
       "  'other vegetables',\n",
       "  'canned fish',\n",
       "  'brown bread',\n",
       "  'sauces',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'misc. beverages'],\n",
       " ['canned fruit',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'seasonal products',\n",
       "  'root vegetables',\n",
       "  'liquor',\n",
       "  'rolls/buns',\n",
       "  'softener',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'red/blush wine'],\n",
       " ['flower soil/fertilizer',\n",
       "  'napkins',\n",
       "  'citrus fruit',\n",
       "  'cereals',\n",
       "  'cake bar',\n",
       "  'pork'],\n",
       " ['cleaner', 'specialty bar'],\n",
       " ['artif. sweetener', 'pork', 'whole milk', 'pastry'],\n",
       " ['cream cheese ',\n",
       "  'tidbits',\n",
       "  'other vegetables',\n",
       "  'coffee',\n",
       "  'specialty cheese',\n",
       "  'rolls/buns',\n",
       "  'dessert'],\n",
       " ['butter',\n",
       "  'hygiene articles',\n",
       "  'frozen potato products',\n",
       "  'white bread',\n",
       "  'butter milk',\n",
       "  'dental care',\n",
       "  'mustard',\n",
       "  'sausage',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'specialty chocolate',\n",
       "  'salt',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'domestic eggs',\n",
       "  'ice cream'],\n",
       " ['hard cheese',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'house keeping products',\n",
       "  'condensed milk',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'bottled beer',\n",
       "  'semi-finished bread'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'pot plants',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'photo/film'],\n",
       " ['butter',\n",
       "  'meat',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'cookware',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'photo/film',\n",
       "  'ice cream'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'oil',\n",
       "  'sausage',\n",
       "  'tropical fruit',\n",
       "  'sliced cheese',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'ham',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['UHT-milk',\n",
       "  'butter milk',\n",
       "  'fish',\n",
       "  'rolls/buns',\n",
       "  'spices',\n",
       "  'finished products',\n",
       "  'ice cream'],\n",
       " ['oil',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'finished products'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'soda',\n",
       "  'snack products',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'chicken',\n",
       "  'cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'frozen vegetables',\n",
       "  'specialty bar',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'onions',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'pork'],\n",
       " ['soups', 'margarine', 'salty snack', 'rolls/buns'],\n",
       " ['pastry',\n",
       "  'butter',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'chocolate marshmallow',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'hygiene articles',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'ice cream'],\n",
       " ['herbs',\n",
       "  'meat',\n",
       "  'yogurt',\n",
       "  'chewing gum',\n",
       "  'domestic eggs',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'coffee',\n",
       "  'pickled vegetables',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'bottled beer',\n",
       "  'pork'],\n",
       " ['butter',\n",
       "  'chicken',\n",
       "  'ice cream',\n",
       "  'grapes',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'soft cheese',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'frozen meals',\n",
       "  'canned fruit',\n",
       "  'flower (seeds)'],\n",
       " ['napkins',\n",
       "  'abrasive cleaner',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'citrus fruit',\n",
       "  'whole milk'],\n",
       " ['herbs',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'napkins',\n",
       "  'canned beer',\n",
       "  'salty snack',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'yogurt',\n",
       "  'spread cheese',\n",
       "  'prosecco'],\n",
       " ['rice',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'frozen meals',\n",
       "  'cat food',\n",
       "  'misc. beverages'],\n",
       " ['tropical fruit',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'domestic eggs',\n",
       "  'sugar'],\n",
       " ['whole milk', 'pork', 'oil', 'beverages'],\n",
       " ['hard cheese',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'specialty cheese',\n",
       "  'specialty fat',\n",
       "  'light bulbs',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'dessert'],\n",
       " ['white wine',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'dishes',\n",
       "  'hygiene articles',\n",
       "  'whipped/sour cream',\n",
       "  'domestic eggs',\n",
       "  'waffles',\n",
       "  'semi-finished bread'],\n",
       " ['chicken',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'processed cheese',\n",
       "  'soda',\n",
       "  'dessert'],\n",
       " ['hard cheese',\n",
       "  'meat',\n",
       "  'rice',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'long life bakery product',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'pickled vegetables',\n",
       "  'yogurt',\n",
       "  'jam',\n",
       "  'flower (seeds)',\n",
       "  'bottled beer'],\n",
       " ['chicken',\n",
       "  'herbs',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'domestic eggs',\n",
       "  'napkins',\n",
       "  'house keeping products',\n",
       "  'yogurt',\n",
       "  'red/blush wine'],\n",
       " ['chicken',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'dishes',\n",
       "  'Instant food products',\n",
       "  'bottled beer',\n",
       "  'pastry'],\n",
       " ['yogurt',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['chicken', 'yogurt'],\n",
       " ['sausage',\n",
       "  'pip fruit',\n",
       "  'frozen vegetables',\n",
       "  'roll products ',\n",
       "  'soda',\n",
       "  'pot plants',\n",
       "  'whipped/sour cream'],\n",
       " ['hard cheese',\n",
       "  'butter',\n",
       "  'bottled water',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt'],\n",
       " ['pip fruit',\n",
       "  'canned fish',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'bottled beer'],\n",
       " ['other vegetables',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'dishes',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk'],\n",
       " ['white wine',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'flower (seeds)',\n",
       "  'spread cheese'],\n",
       " ['frozen vegetables',\n",
       "  'chocolate marshmallow',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['meat',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['white wine',\n",
       "  'brown bread',\n",
       "  'napkins',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'waffles'],\n",
       " ['butter',\n",
       "  'cocoa drinks',\n",
       "  'sausage',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'pickled vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'dessert',\n",
       "  'margarine',\n",
       "  'pastry'],\n",
       " ['hard cheese', 'newspapers', 'salty snack'],\n",
       " ['other vegetables',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'candy',\n",
       "  'mustard',\n",
       "  'red/blush wine'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'long life bakery product',\n",
       "  'canned vegetables',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'soft cheese',\n",
       "  'skin care',\n",
       "  'waffles'],\n",
       " ['whipped/sour cream', 'other vegetables'],\n",
       " ['ice cream', 'canned beer'],\n",
       " ['tropical fruit',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'hygiene articles',\n",
       "  'ham'],\n",
       " ['curd',\n",
       "  'frozen vegetables',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'bottled beer'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'specialty cheese',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'onions'],\n",
       " ['specialty bar', 'flour', 'mustard', 'yogurt', 'pastry'],\n",
       " ['rice',\n",
       "  'grapes',\n",
       "  'pip fruit',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'frozen meals',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'misc. beverages'],\n",
       " ['mayonnaise',\n",
       "  'pip fruit',\n",
       "  'coffee',\n",
       "  'processed cheese',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'finished products',\n",
       "  'bottled beer',\n",
       "  'canned fruit'],\n",
       " ['citrus fruit', 'soda', 'bottled beer'],\n",
       " ['chicken',\n",
       "  'meat',\n",
       "  'chewing gum',\n",
       "  'curd',\n",
       "  'specialty bar',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'hygiene articles',\n",
       "  'baking powder',\n",
       "  'shopping bags',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'female sanitary products',\n",
       "  'waffles'],\n",
       " ['soups', 'beef', 'whole milk', 'bottled beer', 'syrup'],\n",
       " ['salt',\n",
       "  'white wine',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'specialty bar',\n",
       "  'frankfurter',\n",
       "  'processed cheese',\n",
       "  'condensed milk',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'specialty chocolate',\n",
       "  'misc. beverages'],\n",
       " ['bottled water',\n",
       "  'napkins',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'chocolate',\n",
       "  'mustard'],\n",
       " ['yogurt',\n",
       "  'chewing gum',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'condensed milk',\n",
       "  'packaged fruit/vegetables',\n",
       "  'beef',\n",
       "  'ham',\n",
       "  'cereals',\n",
       "  'ice cream'],\n",
       " ['chicken',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'grapes',\n",
       "  'curd',\n",
       "  'roll products ',\n",
       "  'canned vegetables',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'instant coffee',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pastry',\n",
       "  'bottled beer'],\n",
       " ['yogurt',\n",
       "  'sausage',\n",
       "  'domestic eggs',\n",
       "  'detergent',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'hamburger meat',\n",
       "  'dishes',\n",
       "  'whipped/sour cream',\n",
       "  'dessert',\n",
       "  'ham',\n",
       "  'misc. beverages'],\n",
       " ['chicken',\n",
       "  'curd',\n",
       "  'roll products ',\n",
       "  'newspapers',\n",
       "  'processed cheese',\n",
       "  'soda',\n",
       "  'berries',\n",
       "  'whole milk'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'condensed milk',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'domestic eggs',\n",
       "  'misc. beverages'],\n",
       " ['hard cheese',\n",
       "  'mayonnaise',\n",
       "  'butter milk',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'canned fish',\n",
       "  'processed cheese',\n",
       "  'root vegetables',\n",
       "  'condensed milk',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'Instant food products',\n",
       "  'whole milk',\n",
       "  'pastry'],\n",
       " ['butter',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'frozen vegetables',\n",
       "  'chocolate',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'ham'],\n",
       " ['chicken', 'butter', 'Instant food products', 'onions', 'bottled beer'],\n",
       " ['oil',\n",
       "  'grapes',\n",
       "  'domestic eggs',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'dishes',\n",
       "  'onions',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'waffles',\n",
       "  'spread cheese'],\n",
       " ['napkins',\n",
       "  'coffee',\n",
       "  'flour',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'frozen meals',\n",
       "  'domestic eggs',\n",
       "  'pet care'],\n",
       " ['napkins', 'bottled water', 'other vegetables', 'cling film/bags'],\n",
       " ['meat', 'UHT-milk', 'curd', 'canned beer', 'whole milk'],\n",
       " ['vinegar',\n",
       "  'grapes',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'whole milk',\n",
       "  'margarine'],\n",
       " ['brown bread',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'pot plants',\n",
       "  'citrus fruit',\n",
       "  'flour',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'pastry'],\n",
       " ['bottled water',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'berries',\n",
       "  'spices',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt',\n",
       "  'honey',\n",
       "  'pastry',\n",
       "  'bottled beer'],\n",
       " ['rice',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'margarine',\n",
       "  'ham',\n",
       "  'pastry'],\n",
       " ['chicken',\n",
       "  'dog food',\n",
       "  'specialty chocolate',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'red/blush wine'],\n",
       " ['oil', 'bottled water', 'soda', 'sliced cheese', 'syrup'],\n",
       " ['salt',\n",
       "  'grapes',\n",
       "  'napkins',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'whole milk'],\n",
       " ['white wine',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'rolls/buns',\n",
       "  'domestic eggs',\n",
       "  'sweet spreads'],\n",
       " ['pip fruit',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'ketchup',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'pastry',\n",
       "  'semi-finished bread'],\n",
       " ['soda',\n",
       "  'root vegetables',\n",
       "  'chocolate',\n",
       "  'beef',\n",
       "  'bottled beer',\n",
       "  'chewing gum'],\n",
       " ['hard cheese',\n",
       "  'butter',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'frankfurter',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'domestic eggs'],\n",
       " ['herbs', 'bottled water', 'frozen vegetables', 'soda', 'whole milk'],\n",
       " ['meat',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'coffee',\n",
       "  'rolls/buns'],\n",
       " ['tropical fruit', 'bottled water'],\n",
       " ['meat',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'cooking chocolate',\n",
       "  'chewing gum',\n",
       "  'specialty bar',\n",
       "  'newspapers',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'flour',\n",
       "  'root vegetables',\n",
       "  'baking powder',\n",
       "  'beef',\n",
       "  'whipped/sour cream',\n",
       "  'instant coffee',\n",
       "  'pork'],\n",
       " ['pastry',\n",
       "  'hard cheese',\n",
       "  'cream cheese ',\n",
       "  'red/blush wine',\n",
       "  'domestic eggs',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'ice cream'],\n",
       " ['ice cream',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'processed cheese',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['hard cheese',\n",
       "  'butter milk',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'soft cheese',\n",
       "  'berries',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'cat food',\n",
       "  'semi-finished bread'],\n",
       " ['brown bread', 'canned beer', 'soda', 'root vegetables', 'ham'],\n",
       " ['vinegar',\n",
       "  'domestic eggs',\n",
       "  'chocolate',\n",
       "  'newspapers',\n",
       "  'Instant food products',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['tropical fruit', 'frozen fish', 'newspapers', 'soda'],\n",
       " ['white bread',\n",
       "  'grapes',\n",
       "  'curd',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'processed cheese',\n",
       "  'root vegetables',\n",
       "  'soda',\n",
       "  'dishes',\n",
       "  'citrus fruit',\n",
       "  'ketchup',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'turkey'],\n",
       " ['salt',\n",
       "  'hard cheese',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'liquor',\n",
       "  'onions',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'pastry'],\n",
       " ['bottled water', 'curd', 'tropical fruit', 'whole milk', 'mustard'],\n",
       " ['hard cheese',\n",
       "  'butter',\n",
       "  'chocolate',\n",
       "  'canned vegetables',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'pastry',\n",
       "  'dish cleaner'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'frozen dessert',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'ice cream'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'butter milk',\n",
       "  'frozen vegetables',\n",
       "  'specialty bar',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'frozen fruits'],\n",
       " ['brown bread',\n",
       "  'candles',\n",
       "  'soda',\n",
       "  'cake bar',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'flour',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'sweet spreads',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'waffles'],\n",
       " ['other vegetables', 'beef', 'whole milk', 'yogurt', 'bottled beer'],\n",
       " ['beef', 'soft cheese'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'canned fish',\n",
       "  'flour',\n",
       "  'whole milk',\n",
       "  'waffles',\n",
       "  'spread cheese',\n",
       "  'sugar'],\n",
       " ['white bread',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'frozen fish',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'hamburger meat',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk'],\n",
       " ['grapes',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'curd',\n",
       "  'butter milk',\n",
       "  'canned beer',\n",
       "  'soups',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'tea',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'yogurt'],\n",
       " ['cream cheese ',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'whole milk',\n",
       "  'chewing gum',\n",
       "  'sugar'],\n",
       " ['newspapers', 'other vegetables'],\n",
       " ['cream cheese ',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'chocolate marshmallow',\n",
       "  'soda',\n",
       "  'pot plants',\n",
       "  'dessert'],\n",
       " ['curd cheese',\n",
       "  'meat',\n",
       "  'herbs',\n",
       "  'mayonnaise',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'zwieback',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'tea',\n",
       "  'yogurt'],\n",
       " ['hamburger meat', 'frankfurter', 'UHT-milk', 'soft cheese'],\n",
       " ['herbs',\n",
       "  'oil',\n",
       "  'pork',\n",
       "  'female sanitary products',\n",
       "  'chicken',\n",
       "  'white bread',\n",
       "  'butter milk',\n",
       "  'candles',\n",
       "  'chocolate',\n",
       "  'dishes',\n",
       "  'photo/film',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'pastry',\n",
       "  'meat',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'popcorn',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'domestic eggs'],\n",
       " ['pip fruit',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'canned vegetables',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'yogurt',\n",
       "  'cat food'],\n",
       " ['UHT-milk',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'curd',\n",
       "  'coffee',\n",
       "  'beverages',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'salty snack',\n",
       "  'bottled beer',\n",
       "  'pastry'],\n",
       " ['pip fruit',\n",
       "  'curd',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'citrus fruit'],\n",
       " ['other vegetables',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'whipped/sour cream'],\n",
       " ['bottled water',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'waffles',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'instant coffee',\n",
       "  'cling film/bags',\n",
       "  'domestic eggs',\n",
       "  'specialty chocolate',\n",
       "  'bottled beer',\n",
       "  'misc. beverages'],\n",
       " ['herbs',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'berries',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'turkey',\n",
       "  'fruit/vegetable juice'],\n",
       " ['pork', 'berries', 'soda', 'sugar'],\n",
       " ['specialty bar',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'shopping bags',\n",
       "  'margarine'],\n",
       " ['UHT-milk',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hygiene articles',\n",
       "  'cake bar',\n",
       "  'ice cream'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'pickled vegetables',\n",
       "  'tea'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'dental care',\n",
       "  'frozen vegetables',\n",
       "  'house keeping products',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'pastry',\n",
       "  'waffles'],\n",
       " ['white wine',\n",
       "  'sausage',\n",
       "  'chocolate',\n",
       "  'processed cheese',\n",
       "  'rolls/buns',\n",
       "  'newspapers',\n",
       "  'pickled vegetables',\n",
       "  'ham',\n",
       "  'yogurt',\n",
       "  'bottled beer'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'curd',\n",
       "  'specialty bar'],\n",
       " ['red/blush wine', 'chocolate', 'flour', 'dessert', 'yogurt', 'pastry'],\n",
       " ['bottled beer', 'whole milk', 'bottled water', 'ham'],\n",
       " ['butter',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'salty snack',\n",
       "  'pork',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'hard cheese',\n",
       "  'sausage',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'meat',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice'],\n",
       " ['sausage',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'shopping bags',\n",
       "  'pork'],\n",
       " ['whipped/sour cream', 'UHT-milk'],\n",
       " ['canned fruit',\n",
       "  'sausage',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'domestic eggs',\n",
       "  'specialty chocolate',\n",
       "  'sugar'],\n",
       " ['rice',\n",
       "  'other vegetables',\n",
       "  'beverages',\n",
       "  'condensed milk',\n",
       "  'canned vegetables',\n",
       "  'softener',\n",
       "  'frozen meals'],\n",
       " ['fruit/vegetable juice', 'rolls/buns'],\n",
       " ['canned beer', 'sausage', 'soda'],\n",
       " ['sliced cheese', 'brown bread', 'rolls/buns'],\n",
       " ['other vegetables',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'salty snack',\n",
       "  'hamburger meat',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'cling film/bags',\n",
       "  'sliced cheese',\n",
       "  'semi-finished bread'],\n",
       " ['oil',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'photo/film',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'cleaner',\n",
       "  'long life bakery product',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'bottled beer',\n",
       "  'ice cream',\n",
       "  'waffles',\n",
       "  'sweet spreads',\n",
       "  'semi-finished bread'],\n",
       " ['other vegetables', 'artif. sweetener', 'whole milk', 'ham', 'bottled beer'],\n",
       " ['chicken',\n",
       "  'mayonnaise',\n",
       "  'sausage',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'waffles',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'bottled beer',\n",
       "  'sparkling wine',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'white wine',\n",
       "  'bottled beer',\n",
       "  'white bread',\n",
       "  'detergent',\n",
       "  'ham',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'male cosmetics',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'fruit/vegetable juice',\n",
       "  'domestic eggs'],\n",
       " ['soda', 'root vegetables', 'hamburger meat', 'whole milk', 'ice cream'],\n",
       " ['sausage',\n",
       "  'tropical fruit',\n",
       "  'snack products',\n",
       "  'shopping bags',\n",
       "  'whole milk'],\n",
       " ['UHT-milk',\n",
       "  'kitchen towels',\n",
       "  'condensed milk',\n",
       "  'liquor',\n",
       "  'salty snack',\n",
       "  'rum',\n",
       "  'bottled beer',\n",
       "  'white bread',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'dishes',\n",
       "  'mustard',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'soups',\n",
       "  'citrus fruit',\n",
       "  'specialty chocolate',\n",
       "  'pet care',\n",
       "  'other vegetables',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['specialty chocolate', 'frankfurter', 'shopping bags', 'beverages'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'newspapers',\n",
       "  'specialty fat',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'domestic eggs',\n",
       "  'make up remover'],\n",
       " ['bottled water',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'ham',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['whole milk', 'other vegetables'],\n",
       " ['fruit/vegetable juice', 'sausage', 'domestic eggs'],\n",
       " ['pastry',\n",
       "  'cream cheese ',\n",
       "  'oil',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'zwieback',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt',\n",
       "  'sliced cheese'],\n",
       " ['cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'salty snack',\n",
       "  'pot plants',\n",
       "  'whipped/sour cream',\n",
       "  'frozen meals',\n",
       "  'yogurt'],\n",
       " ['butter',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'cake bar',\n",
       "  'pastry'],\n",
       " ['butter',\n",
       "  'brown bread',\n",
       "  'napkins',\n",
       "  'male cosmetics',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'flour',\n",
       "  'salty snack',\n",
       "  'hygiene articles',\n",
       "  'cat food',\n",
       "  'yogurt',\n",
       "  'chewing gum',\n",
       "  'pastry',\n",
       "  'misc. beverages'],\n",
       " ['oil',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'hygiene articles',\n",
       "  'cat food',\n",
       "  'domestic eggs',\n",
       "  'syrup'],\n",
       " ['hard cheese',\n",
       "  'pip fruit',\n",
       "  'frankfurter',\n",
       "  'beverages',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'bottled beer'],\n",
       " ['pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'brown bread',\n",
       "  'processed cheese',\n",
       "  'condensed milk',\n",
       "  'rolls/buns',\n",
       "  'salty snack',\n",
       "  'candy',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'turkey'],\n",
       " ['citrus fruit', 'pasta', 'shopping bags', 'mustard', 'syrup'],\n",
       " ['grapes',\n",
       "  'other vegetables',\n",
       "  'long life bakery product',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'instant coffee'],\n",
       " ['other vegetables',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'newspapers',\n",
       "  'spices',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'ham'],\n",
       " ['bottled water',\n",
       "  'pip fruit',\n",
       "  'root vegetables',\n",
       "  'specialty cheese',\n",
       "  'potato products',\n",
       "  'margarine',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'specialty chocolate'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'brown bread',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'canned fish',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'sliced cheese',\n",
       "  'red/blush wine'],\n",
       " ['UHT-milk',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['yogurt',\n",
       "  'pip fruit',\n",
       "  'packaged fruit/vegetables',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['salt',\n",
       "  'white wine',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'soft cheese',\n",
       "  'beef',\n",
       "  'cake bar',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['yogurt',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'specialty bar',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'domestic eggs'],\n",
       " ['butter',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'frozen vegetables',\n",
       "  'specialty bar',\n",
       "  'long life bakery product',\n",
       "  'berries',\n",
       "  'pickled vegetables',\n",
       "  'cat food',\n",
       "  'bottled beer'],\n",
       " ['napkins', 'brown bread', 'salty snack', 'yogurt'],\n",
       " ['chicken',\n",
       "  'candles',\n",
       "  'canned beer',\n",
       "  'condensed milk',\n",
       "  'margarine',\n",
       "  'domestic eggs',\n",
       "  'waffles',\n",
       "  'misc. beverages'],\n",
       " ['hard cheese',\n",
       "  'yogurt',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'dessert',\n",
       "  'ham',\n",
       "  'pork',\n",
       "  'specialty chocolate',\n",
       "  'baking powder',\n",
       "  'whipped/sour cream',\n",
       "  'prosecco'],\n",
       " ['beverages', 'chocolate marshmallow'],\n",
       " ['pastry', 'coffee', 'salty snack', 'domestic eggs'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'oil',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'onions',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'shopping bags',\n",
       "  'sliced cheese'],\n",
       " ['frankfurter', 'whole milk'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'pip fruit',\n",
       "  'candles',\n",
       "  'specialty bar',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'flour',\n",
       "  'dessert'],\n",
       " ['butter',\n",
       "  'meat',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'pickled vegetables',\n",
       "  'hygiene articles',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'syrup'],\n",
       " ['pip fruit',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'chocolate',\n",
       "  'rolls/buns'],\n",
       " ['bottled water',\n",
       "  'brown bread',\n",
       "  'curd',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'pasta',\n",
       "  'shopping bags',\n",
       "  'pastry'],\n",
       " ['tropical fruit', 'fruit/vegetable juice', 'other vegetables'],\n",
       " ['pork', 'frozen vegetables', 'salty snack', 'liquor'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'finished products',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'domestic eggs',\n",
       "  'margarine'],\n",
       " ['yogurt',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'specialty bar',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'pickled vegetables',\n",
       "  'instant coffee',\n",
       "  'cling film/bags',\n",
       "  'bottled beer',\n",
       "  'bags',\n",
       "  'misc. beverages'],\n",
       " ['kitchen towels',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'processed cheese',\n",
       "  'fruit/vegetable juice'],\n",
       " ['chicken',\n",
       "  'mayonnaise',\n",
       "  'rice',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'curd',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'liver loaf',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'chewing gum'],\n",
       " ['citrus fruit', 'hygiene articles', 'fruit/vegetable juice', 'margarine'],\n",
       " ['chicken',\n",
       "  'meat',\n",
       "  'white bread',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'flour',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef'],\n",
       " ['specialty bar', 'ham'],\n",
       " ['frozen vegetables',\n",
       "  'seasonal products',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'liquor',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'softener',\n",
       "  'hygiene articles',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'whipped/sour cream',\n",
       "  'domestic eggs',\n",
       "  'specialty chocolate'],\n",
       " ['pudding powder',\n",
       "  'hard cheese',\n",
       "  'white bread',\n",
       "  'grapes',\n",
       "  'butter milk',\n",
       "  'long life bakery product',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['grapes',\n",
       "  'pip fruit',\n",
       "  'canned beer',\n",
       "  'specialty bar',\n",
       "  'rolls/buns',\n",
       "  'pork',\n",
       "  'ice cream'],\n",
       " ['curd', 'citrus fruit', 'whole milk', 'chocolate marshmallow'],\n",
       " ['yogurt',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'flour',\n",
       "  'hamburger meat',\n",
       "  'whipped/sour cream',\n",
       "  'ham',\n",
       "  'waffles'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'soda',\n",
       "  'candy',\n",
       "  'margarine',\n",
       "  'beef',\n",
       "  'bottled beer'],\n",
       " ['sugar', 'whipped/sour cream', 'bottled water', 'salty snack'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'root vegetables'],\n",
       " ['sausage', 'other vegetables', 'soda', 'dessert', 'pastry'],\n",
       " ['meat',\n",
       "  'yogurt',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'napkins',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'curd',\n",
       "  'newspapers',\n",
       "  'packaged fruit/vegetables',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pastry'],\n",
       " ['mayonnaise',\n",
       "  'white bread',\n",
       "  'brown bread',\n",
       "  'chocolate',\n",
       "  'beverages',\n",
       "  'candy',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'other vegetables',\n",
       "  'seasonal products',\n",
       "  'popcorn',\n",
       "  'rolls/buns',\n",
       "  'chewing gum',\n",
       "  'ice cream',\n",
       "  'waffles'],\n",
       " ['sausage', 'tropical fruit', 'newspapers', 'pickled vegetables', 'ham'],\n",
       " ['yogurt',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'seasonal products',\n",
       "  'canned beer',\n",
       "  'frozen dessert',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'zwieback',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'ham'],\n",
       " ['coffee', 'salty snack'],\n",
       " ['tropical fruit', 'fruit/vegetable juice'],\n",
       " ['tropical fruit', 'butter', 'whole milk', 'yogurt'],\n",
       " ['curd cheese',\n",
       "  'yogurt',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'specialty bar',\n",
       "  'root vegetables',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'sliced cheese',\n",
       "  'waffles',\n",
       "  'misc. beverages'],\n",
       " ['curd cheese',\n",
       "  'napkins',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'pasta',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'mustard'],\n",
       " ['meat',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'frankfurter',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'newspapers',\n",
       "  'Instant food products',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'misc. beverages'],\n",
       " ['kitchen towels',\n",
       "  'domestic eggs',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'hamburger meat',\n",
       "  'pasta',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'frozen potato products'],\n",
       " ['UHT-milk',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'liquor',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['meat',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'liquor',\n",
       "  'packaged fruit/vegetables',\n",
       "  'berries',\n",
       "  'pot plants',\n",
       "  'rolls/buns',\n",
       "  'liquor (appetizer)',\n",
       "  'bottled beer',\n",
       "  'misc. beverages'],\n",
       " ['hard cheese',\n",
       "  'chicken',\n",
       "  'cream cheese ',\n",
       "  'bottled water',\n",
       "  'soft cheese',\n",
       "  'whipped/sour cream',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['sausage',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'brown bread',\n",
       "  'sauces',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'liquor (appetizer)'],\n",
       " ['tidbits',\n",
       "  'grapes',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'packaged fruit/vegetables',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'beef'],\n",
       " ['pip fruit', 'yogurt'],\n",
       " ['mayonnaise',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'canned fish',\n",
       "  'brown bread',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'bottled beer',\n",
       "  'sugar'],\n",
       " ['meat',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'specialty cheese',\n",
       "  'snack products',\n",
       "  'fruit/vegetable juice',\n",
       "  'liquor (appetizer)',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['white wine',\n",
       "  'sausage',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['packaged fruit/vegetables', 'beef', 'other vegetables', 'soda'],\n",
       " ['chicken',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'candles',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'spices',\n",
       "  'onions',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'dish cleaner'],\n",
       " ['butter',\n",
       "  'popcorn',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'cling film/bags',\n",
       "  'yogurt'],\n",
       " ['meat',\n",
       "  'UHT-milk',\n",
       "  'grapes',\n",
       "  'white bread',\n",
       "  'curd',\n",
       "  'root vegetables',\n",
       "  'onions',\n",
       "  'beef'],\n",
       " ['vinegar',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'pork',\n",
       "  'spread cheese'],\n",
       " ['detergent', 'whole milk', 'soft cheese'],\n",
       " ['chicken',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'pickled vegetables',\n",
       "  'hygiene articles',\n",
       "  'pork'],\n",
       " ['hard cheese',\n",
       "  'butter',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'yogurt'],\n",
       " ['oil',\n",
       "  'UHT-milk',\n",
       "  'semi-finished bread',\n",
       "  'napkins',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'liquor',\n",
       "  'spices',\n",
       "  'processed cheese',\n",
       "  'hygiene articles',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'organic sausage'],\n",
       " ['hard cheese',\n",
       "  'herbs',\n",
       "  'yogurt',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'frozen fish',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'bottled beer',\n",
       "  'cat food'],\n",
       " ['meat',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'root vegetables',\n",
       "  'packaged fruit/vegetables',\n",
       "  'hygiene articles',\n",
       "  'whipped/sour cream',\n",
       "  'misc. beverages'],\n",
       " ['hygiene articles', 'root vegetables'],\n",
       " ['sausage',\n",
       "  'butter milk',\n",
       "  'coffee',\n",
       "  'packaged fruit/vegetables',\n",
       "  'shopping bags',\n",
       "  'tea',\n",
       "  'margarine',\n",
       "  'liquor (appetizer)'],\n",
       " ['frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'long life bakery product',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'dessert'],\n",
       " ['frozen vegetables',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'sliced cheese',\n",
       "  'spread cheese'],\n",
       " ['sausage',\n",
       "  'canned fish',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'soups',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'hygiene articles',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'shopping bags',\n",
       "  'bottled beer',\n",
       "  'pork'],\n",
       " ['hard cheese',\n",
       "  'chicken',\n",
       "  'butter',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'curd',\n",
       "  'detergent',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'baking powder'],\n",
       " ['UHT-milk',\n",
       "  'sausage',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'yogurt'],\n",
       " ['chicken',\n",
       "  'meat',\n",
       "  'dishes',\n",
       "  'finished products',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'fruit/vegetable juice'],\n",
       " ['white wine',\n",
       "  'sausage',\n",
       "  'curd',\n",
       "  'tropical fruit',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'cleaner'],\n",
       " ['other vegetables',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'citrus fruit',\n",
       "  'potato products',\n",
       "  'shopping bags',\n",
       "  'beef',\n",
       "  'cat food'],\n",
       " ['oil',\n",
       "  'long life bakery product',\n",
       "  'fruit/vegetable juice',\n",
       "  'cat food',\n",
       "  'pet care'],\n",
       " ['chicken',\n",
       "  'bottled water',\n",
       "  'domestic eggs',\n",
       "  'frozen fish',\n",
       "  'frozen vegetables',\n",
       "  'sugar',\n",
       "  'processed cheese',\n",
       "  'hamburger meat',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'honey',\n",
       "  'fruit/vegetable juice',\n",
       "  'flower (seeds)',\n",
       "  'hair spray'],\n",
       " ['yogurt',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'pip fruit',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'pot plants',\n",
       "  'bottled beer'],\n",
       " ['hard cheese',\n",
       "  'chicken',\n",
       "  'UHT-milk',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'domestic eggs',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'liquor',\n",
       "  'citrus fruit',\n",
       "  'margarine',\n",
       "  'liquor (appetizer)',\n",
       "  'yogurt',\n",
       "  'frozen potato products',\n",
       "  'semi-finished bread'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'kitchen towels',\n",
       "  'specialty bar',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'frozen meals',\n",
       "  'ice cream'],\n",
       " ['curd', 'ice cream', 'shopping bags', 'bottled water'],\n",
       " ['chicken',\n",
       "  'yogurt',\n",
       "  'detergent',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'bottled beer'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'specialty bar',\n",
       "  'chocolate',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'bottled beer',\n",
       "  'sparkling wine'],\n",
       " ['bottled water',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'pasta',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'waffles'],\n",
       " ['hard cheese',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'candy',\n",
       "  'pasta',\n",
       "  'cat food',\n",
       "  'bottled beer',\n",
       "  'pastry',\n",
       "  'waffles'],\n",
       " ['specialty chocolate', 'oil', 'brown bread', 'shopping bags'],\n",
       " ['sausage',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'salty snack',\n",
       "  'hygiene articles',\n",
       "  'bottled beer',\n",
       "  'ice cream'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'frankfurter',\n",
       "  'ketchup',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['butter', 'oil'],\n",
       " ['other vegetables', 'berries', 'baking powder', 'beef', 'yogurt'],\n",
       " ['seasonal products',\n",
       "  'salty snack',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'cat food'],\n",
       " ['sausage',\n",
       "  'domestic eggs',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'chocolate',\n",
       "  'ketchup',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'frozen meals',\n",
       "  'waffles',\n",
       "  'dish cleaner'],\n",
       " ['oil',\n",
       "  'bottled water',\n",
       "  'domestic eggs',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'dishes',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'ham',\n",
       "  'bottled beer'],\n",
       " ['cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'dessert',\n",
       "  'waffles'],\n",
       " ['sausage', 'bottled water', 'ham', 'bottled beer', 'sliced cheese'],\n",
       " ['yogurt',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'domestic eggs',\n",
       "  'sugar'],\n",
       " ['UHT-milk',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'spices',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'domestic eggs'],\n",
       " ['chicken',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'curd',\n",
       "  'frozen vegetables',\n",
       "  'tropical fruit',\n",
       "  'whole milk'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'soups',\n",
       "  'soda',\n",
       "  'preservation products',\n",
       "  'margarine'],\n",
       " ['long life bakery product',\n",
       "  'condensed milk',\n",
       "  'fruit/vegetable juice',\n",
       "  'sliced cheese',\n",
       "  'pastry'],\n",
       " ['pickled vegetables', 'meat', 'sausage', 'root vegetables'],\n",
       " ['napkins',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'liquor (appetizer)',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['cream cheese ',\n",
       "  'other vegetables',\n",
       "  'specialty fat',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'red/blush wine'],\n",
       " ['pastry',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'dental care',\n",
       "  'napkins',\n",
       "  'rolls/buns',\n",
       "  'liquor',\n",
       "  'shopping bags',\n",
       "  'hygiene articles',\n",
       "  'dessert',\n",
       "  'margarine',\n",
       "  'pork',\n",
       "  'sliced cheese'],\n",
       " ['pip fruit',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'flour',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'pork'],\n",
       " ['tropical fruit',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['other vegetables', 'soda', 'bottled water', 'yogurt'],\n",
       " ['sausage', 'tropical fruit', 'root vegetables', 'hamburger meat', 'dessert'],\n",
       " ['pip fruit', 'frankfurter', 'rolls/buns', 'whipped/sour cream', 'margarine'],\n",
       " ['yogurt',\n",
       "  'frankfurter',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'berries',\n",
       "  'skin care',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'fruit/vegetable juice',\n",
       "  'pastry'],\n",
       " ['sausage',\n",
       "  'curd',\n",
       "  'tropical fruit',\n",
       "  'popcorn',\n",
       "  'newspapers',\n",
       "  'hamburger meat',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['other vegetables',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'cat food',\n",
       "  'semi-finished bread'],\n",
       " ['white wine',\n",
       "  'brown bread',\n",
       "  'frozen vegetables',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'semi-finished bread',\n",
       "  'hair spray'],\n",
       " ['butter',\n",
       "  'white bread',\n",
       "  'bottled water',\n",
       "  'canned fish',\n",
       "  'coffee',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'red/blush wine',\n",
       "  'sugar'],\n",
       " ['long life bakery product',\n",
       "  'soda',\n",
       "  'pickled vegetables',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'cling film/bags'],\n",
       " ['other vegetables',\n",
       "  'long life bakery product',\n",
       "  'condensed milk',\n",
       "  'bottled beer',\n",
       "  'pastry'],\n",
       " ['bottled water',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'liver loaf',\n",
       "  'beef',\n",
       "  'domestic eggs',\n",
       "  'pastry'],\n",
       " ['oil',\n",
       "  'brown bread',\n",
       "  'potato products',\n",
       "  'cereals',\n",
       "  'domestic eggs',\n",
       "  'pork',\n",
       "  'specialty chocolate'],\n",
       " ['mayonnaise',\n",
       "  'tropical fruit',\n",
       "  'frozen fish',\n",
       "  'frankfurter',\n",
       "  'curd',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'rum',\n",
       "  'dessert',\n",
       "  'instant coffee',\n",
       "  'yogurt',\n",
       "  'syrup'],\n",
       " ['baby cosmetics', 'rolls/buns'],\n",
       " ['UHT-milk',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'frozen fish',\n",
       "  'domestic eggs',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'baking powder',\n",
       "  'mustard',\n",
       "  'yogurt',\n",
       "  'sliced cheese'],\n",
       " ['butter',\n",
       "  'meat',\n",
       "  'vinegar',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'canned fish',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'curd',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'hygiene articles',\n",
       "  'beef'],\n",
       " ['liquor (appetizer)', 'rolls/buns'],\n",
       " ['herbs', 'soft cheese'],\n",
       " ['hamburger meat', 'chocolate', 'beef', 'domestic eggs'],\n",
       " ['finished products', 'other vegetables'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'napkins',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'semi-finished bread'],\n",
       " ['white bread', 'salty snack'],\n",
       " ['dog food',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'domestic eggs',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'coffee',\n",
       "  'flour',\n",
       "  'dishes',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'chewing gum',\n",
       "  'flower (seeds)',\n",
       "  'dish cleaner',\n",
       "  'sugar'],\n",
       " ['frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'snack products',\n",
       "  'soda',\n",
       "  'beef',\n",
       "  'pork'],\n",
       " ['long life bakery product',\n",
       "  'citrus fruit',\n",
       "  'margarine',\n",
       "  'sliced cheese',\n",
       "  'waffles'],\n",
       " ['sausage',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'pasta',\n",
       "  'yogurt',\n",
       "  'prosecco'],\n",
       " ['meat',\n",
       "  'oil',\n",
       "  'tidbits',\n",
       "  'chewing gum',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'condensed milk',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'shopping bags',\n",
       "  'tea',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['salt',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'waffles',\n",
       "  'curd',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'ketchup',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'frozen meals',\n",
       "  'bottled beer'],\n",
       " ['yogurt',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'chocolate',\n",
       "  'specialty cheese',\n",
       "  'rolls/buns',\n",
       "  'pot plants',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'onions',\n",
       "  'whipped/sour cream',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'chewing gum',\n",
       "  'bottled beer'],\n",
       " ['candy', 'coffee', 'nuts/prunes', 'domestic eggs'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'fruit/vegetable juice',\n",
       "  'bottled beer',\n",
       "  'pastry'],\n",
       " ['other vegetables',\n",
       "  'frankfurter',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['sausage',\n",
       "  'frozen vegetables',\n",
       "  'dishes',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'misc. beverages'],\n",
       " ['chicken',\n",
       "  'rice',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'frozen dessert',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'candy',\n",
       "  'finished products',\n",
       "  'whipped/sour cream',\n",
       "  'margarine',\n",
       "  'bottled beer',\n",
       "  'specialty chocolate'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'pastry',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'newspapers',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'white bread',\n",
       "  'brown bread',\n",
       "  'frozen fish',\n",
       "  'soda',\n",
       "  'cat food',\n",
       "  'roll products ',\n",
       "  'flour',\n",
       "  'hamburger meat',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'specialty chocolate',\n",
       "  'pastry',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'onions',\n",
       "  'whipped/sour cream'],\n",
       " ['white bread',\n",
       "  'seasonal products',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'misc. beverages'],\n",
       " ['cream cheese ', 'beef'],\n",
       " ['napkins',\n",
       "  'frozen vegetables',\n",
       "  'newspapers',\n",
       "  'beverages',\n",
       "  'packaged fruit/vegetables',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['specialty bar', 'canned beer'],\n",
       " ['other vegetables',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'salty snack',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'domestic eggs',\n",
       "  'chewing gum',\n",
       "  'sliced cheese',\n",
       "  'misc. beverages'],\n",
       " ['butter', 'meat', 'grapes', 'napkins', 'newspapers', 'onions'],\n",
       " ['sausage', 'curd', 'shopping bags', 'margarine', 'sparkling wine'],\n",
       " ['pastry',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'brown bread',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'liquor',\n",
       "  'citrus fruit',\n",
       "  'hygiene articles',\n",
       "  'fruit/vegetable juice',\n",
       "  'dessert',\n",
       "  'cat food',\n",
       "  'honey',\n",
       "  'sliced cheese',\n",
       "  'sugar'],\n",
       " ['cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'pet care',\n",
       "  'sugar'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt'],\n",
       " ['hard cheese', 'butter', 'pip fruit', 'soda', 'rolls/buns', 'citrus fruit'],\n",
       " ['hard cheese',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'frozen vegetables',\n",
       "  'rolls/buns',\n",
       "  'hygiene articles',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'skin care',\n",
       "  'bottled beer'],\n",
       " ['sausage',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'processed cheese',\n",
       "  'dishes',\n",
       "  'zwieback',\n",
       "  'pork',\n",
       "  'jam'],\n",
       " ['hamburger meat', 'butter', 'dessert', 'root vegetables'],\n",
       " ['pip fruit',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk'],\n",
       " ['hard cheese',\n",
       "  'oil',\n",
       "  'white bread',\n",
       "  'soap',\n",
       "  'root vegetables',\n",
       "  'packaged fruit/vegetables',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'photo/film',\n",
       "  'bottled beer'],\n",
       " ['other vegetables', 'rolls/buns'],\n",
       " ['meat',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'onions'],\n",
       " ['bottled water', 'brown bread', 'specialty bar', 'yogurt', 'sugar'],\n",
       " ['nut snack',\n",
       "  'yogurt',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'liver loaf',\n",
       "  'finished products',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'bottled beer',\n",
       "  'whipped/sour cream'],\n",
       " ['UHT-milk',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'beverages',\n",
       "  'pot plants',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'margarine'],\n",
       " ['oil',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'cake bar'],\n",
       " ['cream cheese ',\n",
       "  'white bread',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'sliced cheese',\n",
       "  'ice cream'],\n",
       " ['cream cheese ',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'pot plants',\n",
       "  'berries',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'semi-finished bread'],\n",
       " ['butter',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'beef',\n",
       "  'whole milk'],\n",
       " ['butter',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'whipped/sour cream',\n",
       "  'ice cream'],\n",
       " ['chicken',\n",
       "  'white bread',\n",
       "  'canned beer',\n",
       "  'frankfurter',\n",
       "  'flour',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'domestic eggs',\n",
       "  'bottled beer',\n",
       "  'sugar'],\n",
       " ['sausage',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'rolls/buns',\n",
       "  'rum',\n",
       "  'fruit/vegetable juice',\n",
       "  'margarine'],\n",
       " ['white wine',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'seasonal products',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['dog food',\n",
       "  'butter',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'ham',\n",
       "  'bottled beer',\n",
       "  'red/blush wine'],\n",
       " ['other vegetables',\n",
       "  'rolls/buns',\n",
       "  'pickled vegetables',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'margarine'],\n",
       " ['pastry',\n",
       "  'ice cream',\n",
       "  'cream cheese ',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'napkins',\n",
       "  'canned beer',\n",
       "  'snack products',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'red/blush wine'],\n",
       " ['butter',\n",
       "  'white wine',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'pickled vegetables',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'sugar'],\n",
       " ['cream cheese ',\n",
       "  'yogurt',\n",
       "  'oil',\n",
       "  'root vegetables',\n",
       "  'bottled beer',\n",
       "  'pastry'],\n",
       " ['yogurt',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'coffee',\n",
       "  'liver loaf',\n",
       "  'frozen meals',\n",
       "  'bottled beer',\n",
       "  'flower (seeds)'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'soups',\n",
       "  'soda',\n",
       "  'canned vegetables',\n",
       "  'rolls/buns',\n",
       "  'softener',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'ice cream'],\n",
       " ['salt',\n",
       "  'butter',\n",
       "  'cream cheese ',\n",
       "  'white wine',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'cookware',\n",
       "  'soda',\n",
       "  'canned vegetables',\n",
       "  'flour',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'turkey',\n",
       "  'pastry'],\n",
       " ['napkins', 'whole milk', 'specialty cheese', 'bottled beer'],\n",
       " ['herbs',\n",
       "  'curd cheese',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'canned fish',\n",
       "  'beverages',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['pip fruit',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'berries',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'frozen meals',\n",
       "  'pastry',\n",
       "  'prosecco'],\n",
       " ['oil',\n",
       "  'sauces',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'frozen meals',\n",
       "  'waffles',\n",
       "  'dish cleaner',\n",
       "  'sugar'],\n",
       " ['chicken',\n",
       "  'cream cheese ',\n",
       "  'napkins',\n",
       "  'popcorn',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'candy',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'bottled beer',\n",
       "  'canned fruit',\n",
       "  'sugar'],\n",
       " ['napkins',\n",
       "  'long life bakery product',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'beef',\n",
       "  'jam',\n",
       "  'flower (seeds)',\n",
       "  'waffles'],\n",
       " ['chicken',\n",
       "  'cream cheese ',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'frozen dessert',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'sparkling wine'],\n",
       " ['yogurt',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'photo/film',\n",
       "  'detergent',\n",
       "  'soda',\n",
       "  'shopping bags',\n",
       "  'beef',\n",
       "  'ham',\n",
       "  'bottled beer',\n",
       "  'canned fruit',\n",
       "  'waffles',\n",
       "  'sugar'],\n",
       " ['meat',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'misc. beverages'],\n",
       " ['pastry',\n",
       "  'canned fish',\n",
       "  'frankfurter',\n",
       "  'roll products ',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'frozen meals',\n",
       "  'ham',\n",
       "  'specialty chocolate'],\n",
       " ['other vegetables',\n",
       "  'napkins',\n",
       "  'beverages',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'red/blush wine'],\n",
       " ['butter',\n",
       "  'meat',\n",
       "  'rice',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'butter milk',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'root vegetables',\n",
       "  'pot plants',\n",
       "  'packaged fruit/vegetables',\n",
       "  'zwieback',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'jam'],\n",
       " ['chewing gum', 'pastry'],\n",
       " ['pip fruit',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hygiene articles',\n",
       "  'fruit/vegetable juice',\n",
       "  'pastry'],\n",
       " ['chicken',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'bottled water',\n",
       "  'soda',\n",
       "  'softener',\n",
       "  'hamburger meat',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['yogurt',\n",
       "  'tropical fruit',\n",
       "  'frozen dessert',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'ham'],\n",
       " ['tropical fruit', 'whole milk', 'semi-finished bread', 'rolls/buns'],\n",
       " ['herbs', 'mayonnaise', 'tropical fruit', 'coffee', 'domestic eggs'],\n",
       " ['chicken',\n",
       "  'white bread',\n",
       "  'brown bread',\n",
       "  'napkins',\n",
       "  'house keeping products',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'misc. beverages'],\n",
       " ['ready soups',\n",
       "  'condensed milk',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['chicken',\n",
       "  'herbs',\n",
       "  'butter milk',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pet care'],\n",
       " ['butter',\n",
       "  'white bread',\n",
       "  'chocolate',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'whole milk'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'liquor (appetizer)',\n",
       "  'bottled beer'],\n",
       " ['hard cheese',\n",
       "  'candles',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'chewing gum',\n",
       "  'jam',\n",
       "  'prosecco'],\n",
       " ['tropical fruit',\n",
       "  'frankfurter',\n",
       "  'long life bakery product',\n",
       "  'chocolate',\n",
       "  'mustard',\n",
       "  'ham',\n",
       "  'female sanitary products'],\n",
       " ['newspapers', 'oil', 'butter milk', 'root vegetables'],\n",
       " ['cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'canned beer',\n",
       "  'candy',\n",
       "  'hygiene articles',\n",
       "  'whipped/sour cream',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['bottled water', 'yogurt'],\n",
       " ['soda', 'rolls/buns', 'whole milk', 'yogurt'],\n",
       " ['brown bread', 'napkins', 'specialty cheese', 'salty snack', 'citrus fruit'],\n",
       " ['pastry', 'hygiene articles', 'waffles', 'whole milk'],\n",
       " ['butter',\n",
       "  'white bread',\n",
       "  'butter milk',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'chewing gum',\n",
       "  'sliced cheese',\n",
       "  'sparkling wine'],\n",
       " ['other vegetables',\n",
       "  'specialty cheese',\n",
       "  'salty snack',\n",
       "  'flour',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'specialty chocolate'],\n",
       " ['grapes',\n",
       "  'sausage',\n",
       "  'red/blush wine',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['white wine',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'other vegetables',\n",
       "  'newspapers',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'condensed milk',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'bottled beer'],\n",
       " ['cream cheese ',\n",
       "  'detergent',\n",
       "  'coffee',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'misc. beverages'],\n",
       " ['chicken',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'domestic eggs',\n",
       "  'canned vegetables',\n",
       "  'soda',\n",
       "  'hamburger meat',\n",
       "  'dishes',\n",
       "  'hygiene articles',\n",
       "  'tea',\n",
       "  'beef',\n",
       "  'cat food',\n",
       "  'whole milk'],\n",
       " ['yogurt',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'bottled beer',\n",
       "  'pastry',\n",
       "  'semi-finished bread'],\n",
       " ['chicken',\n",
       "  'herbs',\n",
       "  'cream cheese ',\n",
       "  'butter milk',\n",
       "  'pip fruit',\n",
       "  'canned fish',\n",
       "  'frozen vegetables',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'flour',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'frozen meals',\n",
       "  'pastry'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'frozen dessert',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'rum',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'whisky',\n",
       "  'female sanitary products',\n",
       "  'frozen potato products',\n",
       "  'dish cleaner'],\n",
       " ['white wine',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'frozen fish',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'whole milk'],\n",
       " ['hard cheese',\n",
       "  'white bread',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'specialty cheese',\n",
       "  'rolls/buns',\n",
       "  'ham',\n",
       "  'dessert',\n",
       "  'bottled beer',\n",
       "  'whole milk',\n",
       "  'sliced cheese',\n",
       "  'liquor (appetizer)'],\n",
       " ['other vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'frozen potato products'],\n",
       " ['butter',\n",
       "  'sausage',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'flour',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'margarine',\n",
       "  'pork',\n",
       "  'female sanitary products',\n",
       "  'dish cleaner'],\n",
       " ['brown bread',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'frozen dessert',\n",
       "  'specialty bar',\n",
       "  'dishes',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'chewing gum',\n",
       "  'specialty chocolate'],\n",
       " ['other vegetables',\n",
       "  'domestic eggs',\n",
       "  'packaged fruit/vegetables',\n",
       "  'beef',\n",
       "  'sliced cheese',\n",
       "  'specialty chocolate',\n",
       "  'misc. beverages'],\n",
       " ['frozen fruits',\n",
       "  'white wine',\n",
       "  'tidbits',\n",
       "  'pip fruit',\n",
       "  'white bread',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'packaged fruit/vegetables',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'dessert',\n",
       "  'mustard',\n",
       "  'sliced cheese'],\n",
       " ['bottled water', 'rolls/buns', 'fruit/vegetable juice', 'beef', 'sugar'],\n",
       " ['butter',\n",
       "  'herbs',\n",
       "  'tropical fruit',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['curd',\n",
       "  'frankfurter',\n",
       "  'sugar',\n",
       "  'canned vegetables',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'misc. beverages'],\n",
       " ['curd cheese',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'whole milk'],\n",
       " ['flower (seeds)', 'long life bakery product', 'sausage', 'pip fruit'],\n",
       " ['onions', 'beef'],\n",
       " ['herbs',\n",
       "  'chicken',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'frozen meals',\n",
       "  'turkey',\n",
       "  'pastry',\n",
       "  'female sanitary products'],\n",
       " ['vinegar',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['hard cheese',\n",
       "  'chicken',\n",
       "  'fish',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'pickled vegetables',\n",
       "  'pork',\n",
       "  'ice cream'],\n",
       " ['white bread', 'sausage', 'pip fruit', 'brandy', 'whole milk', 'yogurt'],\n",
       " ['citrus fruit', 'grapes'],\n",
       " ['chicken',\n",
       "  'sausage',\n",
       "  'kitchen towels',\n",
       "  'bottled water',\n",
       "  'detergent',\n",
       "  'tropical fruit',\n",
       "  'beverages',\n",
       "  'soda',\n",
       "  'zwieback',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'ice cream'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'dishes',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'misc. beverages'],\n",
       " ['pip fruit',\n",
       "  'tropical fruit',\n",
       "  'seasonal products',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'liver loaf',\n",
       "  'onions',\n",
       "  'yogurt',\n",
       "  'specialty chocolate',\n",
       "  'prosecco'],\n",
       " ['bottled water',\n",
       "  'canned beer',\n",
       "  'frozen dessert',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pork'],\n",
       " ['brown bread',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'cake bar'],\n",
       " ['dog food',\n",
       "  'specialty bar',\n",
       "  'beverages',\n",
       "  'soda',\n",
       "  'fruit/vegetable juice',\n",
       "  'pet care'],\n",
       " ['butter', 'bottled water', 'pip fruit', 'popcorn', 'soda', 'rolls/buns'],\n",
       " ['pip fruit',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'seasonal products',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'liquor',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'dessert',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt',\n",
       "  'cake bar',\n",
       "  'frozen meals'],\n",
       " ['bottled water', 'pip fruit', 'root vegetables', 'whole milk', 'turkey'],\n",
       " ['oil',\n",
       "  'white wine',\n",
       "  'white bread',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'whole milk'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'beverages',\n",
       "  'soda',\n",
       "  'pickled vegetables',\n",
       "  'whole milk',\n",
       "  'waffles'],\n",
       " ['brown bread',\n",
       "  'candles',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'pork'],\n",
       " ['chicken',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'specialty bar',\n",
       "  'coffee',\n",
       "  'house keeping products',\n",
       "  'domestic eggs',\n",
       "  'pastry',\n",
       "  'misc. beverages'],\n",
       " ['finished products', 'root vegetables'],\n",
       " ['rolls/buns', 'whole milk', 'beef', 'cake bar', 'pastry'],\n",
       " ['curd cheese',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['chicken',\n",
       "  'ready soups',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'cake bar',\n",
       "  'chewing gum',\n",
       "  'sugar'],\n",
       " ['pastry',\n",
       "  'cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'specialty chocolate',\n",
       "  'waffles',\n",
       "  'spread cheese',\n",
       "  'sugar'],\n",
       " ['butter',\n",
       "  'tropical fruit',\n",
       "  'long life bakery product',\n",
       "  'rolls/buns',\n",
       "  'dessert'],\n",
       " ['meat', 'rolls/buns'],\n",
       " ['cream cheese ',\n",
       "  'yogurt',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'domestic eggs',\n",
       "  'chewing gum'],\n",
       " ['butter',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'kitchen towels',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'beverages',\n",
       "  'condensed milk',\n",
       "  'dish cleaner',\n",
       "  'misc. beverages'],\n",
       " ['other vegetables',\n",
       "  'brown bread',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['chicken',\n",
       "  'pip fruit',\n",
       "  'canned vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'hygiene articles',\n",
       "  'liquor (appetizer)',\n",
       "  'margarine',\n",
       "  'sweet spreads'],\n",
       " ['pip fruit', 'shopping bags', 'other vegetables'],\n",
       " ['canned beer', 'photo/film'],\n",
       " ['other vegetables',\n",
       "  'pip fruit',\n",
       "  'waffles',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'decalcifier',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'margarine',\n",
       "  'bottled beer'],\n",
       " ['cream cheese ',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'pork',\n",
       "  'waffles',\n",
       "  'misc. beverages'],\n",
       " ['cream cheese ',\n",
       "  'white bread',\n",
       "  'frozen fish',\n",
       "  'sauces',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'baking powder',\n",
       "  'whole milk'],\n",
       " ['grapes',\n",
       "  'bottled water',\n",
       "  'brandy',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'chocolate',\n",
       "  'dishes',\n",
       "  'light bulbs',\n",
       "  'cat food',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['whipped/sour cream', 'sausage', 'brown bread', 'bottled beer'],\n",
       " ['meat',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'turkey',\n",
       "  'pastry',\n",
       "  'spread cheese'],\n",
       " ['coffee', 'white bread', 'sausage', 'root vegetables'],\n",
       " ['chicken', 'specialty chocolate', 'brown bread', 'rolls/buns'],\n",
       " ['chicken',\n",
       "  'herbs',\n",
       "  'oil',\n",
       "  'yogurt',\n",
       "  'white bread',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'specialty chocolate'],\n",
       " ['butter', 'cream cheese ', 'rice', 'hygiene articles', 'spread cheese'],\n",
       " ['soda', 'rolls/buns', 'zwieback', 'whipped/sour cream', 'mustard'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'white wine',\n",
       "  'bottled water',\n",
       "  'domestic eggs',\n",
       "  'curd',\n",
       "  'newspapers',\n",
       "  'beverages',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'ham',\n",
       "  'margarine',\n",
       "  'specialty chocolate',\n",
       "  'spread cheese'],\n",
       " ['meat',\n",
       "  'pip fruit',\n",
       "  'brown bread',\n",
       "  'bottled water',\n",
       "  'long life bakery product',\n",
       "  'chocolate',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk'],\n",
       " ['chicken',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'rolls/buns',\n",
       "  'margarine'],\n",
       " ['frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'domestic eggs',\n",
       "  'red/blush wine'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'brown bread',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'nuts/prunes',\n",
       "  'sliced cheese',\n",
       "  'pet care'],\n",
       " ['herbs',\n",
       "  'butter',\n",
       "  'vinegar',\n",
       "  'root vegetables',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'whole milk'],\n",
       " ['bottled water',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'margarine'],\n",
       " ['butter',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'chewing gum',\n",
       "  'pastry'],\n",
       " ['tropical fruit',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'sliced cheese',\n",
       "  'sweet spreads'],\n",
       " ['chicken',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'salty snack',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'berries',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk'],\n",
       " ['chicken', 'curd', 'tropical fruit', 'newspapers', 'dessert', 'yogurt'],\n",
       " ['pastry',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'detergent',\n",
       "  'root vegetables',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'red/blush wine'],\n",
       " ['brown bread', 'canned fish', 'citrus fruit', 'whole milk', 'beef'],\n",
       " ['bottled water',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'processed cheese',\n",
       "  'rum',\n",
       "  'ice cream'],\n",
       " ['meat',\n",
       "  'ready soups',\n",
       "  'other vegetables',\n",
       "  'waffles',\n",
       "  'frankfurter',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'pet care'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'semi-finished bread',\n",
       "  'sugar'],\n",
       " ['salt',\n",
       "  'chicken',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'long life bakery product',\n",
       "  'processed cheese',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'waffles'],\n",
       " ['canned beer',\n",
       "  'long life bakery product',\n",
       "  'flour',\n",
       "  'citrus fruit',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'white bread',\n",
       "  'pip fruit',\n",
       "  'canned fish',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'salty snack',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'zwieback',\n",
       "  'soft cheese',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'organic sausage'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'frozen vegetables',\n",
       "  'brown bread',\n",
       "  'chocolate',\n",
       "  'beverages',\n",
       "  'rolls/buns',\n",
       "  'rum',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'baking powder',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['curd', 'napkins', 'soda', 'rolls/buns', 'candy'],\n",
       " ['butter',\n",
       "  'tropical fruit',\n",
       "  'long life bakery product',\n",
       "  'chocolate',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'root vegetables',\n",
       "  'pickled vegetables',\n",
       "  'whole milk'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'liquor',\n",
       "  'condensed milk',\n",
       "  'flour',\n",
       "  'whole milk',\n",
       "  'instant coffee',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['brown bread',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'liquor (appetizer)',\n",
       "  'pastry'],\n",
       " ['pastry', 'photo/film', 'sausage', 'soda'],\n",
       " ['curd cheese',\n",
       "  'yogurt',\n",
       "  'white bread',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'specialty bar',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'ham',\n",
       "  'whole milk',\n",
       "  'domestic eggs',\n",
       "  'dessert'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'candles',\n",
       "  'napkins',\n",
       "  'curd',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'liver loaf',\n",
       "  'fruit/vegetable juice',\n",
       "  'margarine',\n",
       "  'bottled beer',\n",
       "  'specialty chocolate'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'detergent',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'mustard',\n",
       "  'photo/film'],\n",
       " ['pastry',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'pip fruit',\n",
       "  'brown bread',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'dessert',\n",
       "  'frozen meals',\n",
       "  'fruit/vegetable juice',\n",
       "  'sliced cheese'],\n",
       " ['canned beer', 'bottled beer', 'soda', 'domestic eggs'],\n",
       " ['tropical fruit', 'yogurt'],\n",
       " ['cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'Instant food products',\n",
       "  'whole milk',\n",
       "  'margarine'],\n",
       " ['other vegetables',\n",
       "  'curd',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'roll products ',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'margarine',\n",
       "  'red/blush wine'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'canned fish',\n",
       "  'roll products ',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'processed cheese',\n",
       "  'pasta',\n",
       "  'kitchen utensil',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'sugar'],\n",
       " ['frankfurter',\n",
       "  'root vegetables',\n",
       "  'specialty cheese',\n",
       "  'berries',\n",
       "  'soft cheese',\n",
       "  'onions',\n",
       "  'baking powder',\n",
       "  'ham'],\n",
       " ['dog food',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'baking powder',\n",
       "  'pastry'],\n",
       " ['herbs',\n",
       "  'oil',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'newspapers',\n",
       "  'flour',\n",
       "  'candy',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'butter milk',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'cake bar'],\n",
       " ['cream cheese ',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'canned fish',\n",
       "  'butter milk',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'pickled vegetables',\n",
       "  'hygiene articles',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'sliced cheese',\n",
       "  'pastry'],\n",
       " ['cream cheese ',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'bottled water',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'flour',\n",
       "  'citrus fruit',\n",
       "  'pickled vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'pastry'],\n",
       " ['waffles', 'whole milk', 'spread cheese', 'soda'],\n",
       " ['UHT-milk',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'onions',\n",
       "  'skin care',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'ice cream'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'hamburger meat',\n",
       "  'packaged fruit/vegetables',\n",
       "  'finished products',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'sweet spreads'],\n",
       " ['salt',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'pickled vegetables',\n",
       "  'pasta',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['dog food',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'newspapers',\n",
       "  'flour',\n",
       "  'bottled beer',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pork',\n",
       "  'pet care'],\n",
       " ['cream cheese ',\n",
       "  'sausage',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'fruit/vegetable juice',\n",
       "  'margarine',\n",
       "  'dish cleaner',\n",
       "  'sugar'],\n",
       " ['pudding powder',\n",
       "  'cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'napkins',\n",
       "  'tropical fruit',\n",
       "  'seasonal products',\n",
       "  'frozen fish',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'mustard',\n",
       "  'bottled beer',\n",
       "  'dish cleaner'],\n",
       " ['citrus fruit', 'dessert', 'other vegetables', 'bottled beer'],\n",
       " ['hard cheese',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'domestic eggs',\n",
       "  'pork',\n",
       "  'semi-finished bread'],\n",
       " ['butter',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'ketchup',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'honey'],\n",
       " ['meat',\n",
       "  'rolls/buns',\n",
       "  'pasta',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'margarine',\n",
       "  'whipped/sour cream',\n",
       "  'baking powder'],\n",
       " ['pork', 'specialty chocolate', 'canned beer', 'dessert'],\n",
       " ['meat',\n",
       "  'UHT-milk',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'sparkling wine'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'herbs',\n",
       "  'flower soil/fertilizer',\n",
       "  'sausage',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'white bread',\n",
       "  'long life bakery product',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'pickled vegetables',\n",
       "  'finished products',\n",
       "  'dessert',\n",
       "  'margarine',\n",
       "  'fruit/vegetable juice'],\n",
       " ['canned vegetables', 'rolls/buns', 'onions', 'whole milk', 'bottled beer'],\n",
       " ['butter',\n",
       "  'mayonnaise',\n",
       "  'other vegetables',\n",
       "  'specialty bar',\n",
       "  'rolls/buns',\n",
       "  'pickled vegetables',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'waffles',\n",
       "  'semi-finished bread'],\n",
       " ['cream cheese ',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'specialty bar',\n",
       "  'soda'],\n",
       " ['misc. beverages',\n",
       "  'brown bread',\n",
       "  'canned beer',\n",
       "  'rolls/buns',\n",
       "  'yogurt',\n",
       "  'red/blush wine',\n",
       "  'make up remover',\n",
       "  'sugar'],\n",
       " ['sausage',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'detergent',\n",
       "  'frankfurter',\n",
       "  'canned vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk'],\n",
       " ['butter',\n",
       "  'white bread',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'newspapers',\n",
       "  'salty snack',\n",
       "  'yogurt',\n",
       "  'cereals',\n",
       "  'cleaner',\n",
       "  'syrup'],\n",
       " ['tropical fruit', 'cat food'],\n",
       " ['pastry',\n",
       "  'butter',\n",
       "  'UHT-milk',\n",
       "  'grapes',\n",
       "  'bottled water',\n",
       "  'fish',\n",
       "  'canned beer',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'ice cream'],\n",
       " ['misc. beverages',\n",
       "  'sausage',\n",
       "  'butter milk',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'brown bread',\n",
       "  'pot plants',\n",
       "  'finished products',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'margarine',\n",
       "  'pastry',\n",
       "  'fruit/vegetable juice',\n",
       "  'sugar'],\n",
       " ['bottled water', 'tropical fruit', 'whole milk', 'beef', 'photo/film'],\n",
       " ['white bread',\n",
       "  'curd',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'beef',\n",
       "  'whole milk'],\n",
       " ['oil',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'canned fish',\n",
       "  'curd',\n",
       "  'other vegetables',\n",
       "  'specialty bar',\n",
       "  'beverages',\n",
       "  'newspapers',\n",
       "  'soft cheese',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'sugar'],\n",
       " ['butter milk',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'specialty chocolate'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'napkins',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['butter',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'pip fruit',\n",
       "  'white bread',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'candy',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'specialty chocolate',\n",
       "  'misc. beverages'],\n",
       " ['pip fruit',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'bottled water',\n",
       "  'rolls/buns',\n",
       "  'ham',\n",
       "  'semi-finished bread'],\n",
       " ['butter',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'brown bread',\n",
       "  'canned beer',\n",
       "  'grapes',\n",
       "  'soda',\n",
       "  'berries',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'cling film/bags',\n",
       "  'ham',\n",
       "  'turkey',\n",
       "  'organic sausage'],\n",
       " ['frozen vegetables',\n",
       "  'canned beer',\n",
       "  'specialty bar',\n",
       "  'citrus fruit',\n",
       "  'yogurt',\n",
       "  'misc. beverages'],\n",
       " ['other vegetables',\n",
       "  'napkins',\n",
       "  'long life bakery product',\n",
       "  'chocolate',\n",
       "  'salty snack',\n",
       "  'liquor',\n",
       "  'packaged fruit/vegetables',\n",
       "  'finished products',\n",
       "  'whipped/sour cream',\n",
       "  'frozen meals',\n",
       "  'whole milk',\n",
       "  'pork'],\n",
       " ['mayonnaise',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['pip fruit',\n",
       "  'candles',\n",
       "  'male cosmetics',\n",
       "  'frozen dessert',\n",
       "  'newspapers',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'yogurt'],\n",
       " ['pork', 'sausage', 'other vegetables', 'misc. beverages'],\n",
       " ['cream cheese ',\n",
       "  'yogurt',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'cake bar',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['grapes',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'frozen vegetables',\n",
       "  'newspapers',\n",
       "  'processed cheese',\n",
       "  'chocolate marshmallow',\n",
       "  'beef',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['white wine',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'misc. beverages',\n",
       "  'chicken',\n",
       "  'brown bread',\n",
       "  'chocolate',\n",
       "  'hard cheese',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'male cosmetics',\n",
       "  'berries',\n",
       "  'beef',\n",
       "  'organic products',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'rolls/buns',\n",
       "  'frozen meals',\n",
       "  'ice cream'],\n",
       " ['soda', 'citrus fruit', 'yogurt', 'bottled beer', 'sweet spreads'],\n",
       " ['whole milk', 'beef', 'dessert', 'domestic eggs'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'spices',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['hard cheese',\n",
       "  'white wine',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'detergent',\n",
       "  'processed cheese',\n",
       "  'root vegetables',\n",
       "  'chocolate marshmallow',\n",
       "  'bottled beer',\n",
       "  'sliced cheese',\n",
       "  'sugar'],\n",
       " ['yogurt',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'frozen fish',\n",
       "  'domestic eggs',\n",
       "  'male cosmetics',\n",
       "  'beverages',\n",
       "  'hamburger meat',\n",
       "  'beef',\n",
       "  'instant coffee',\n",
       "  'bottled beer',\n",
       "  'whole milk',\n",
       "  'pastry'],\n",
       " ['other vegetables',\n",
       "  'canned fish',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'condensed milk',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'pastry'],\n",
       " ['chicken',\n",
       "  'vinegar',\n",
       "  'white wine',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hygiene articles',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'ham',\n",
       "  'pastry',\n",
       "  'waffles',\n",
       "  'sugar'],\n",
       " ['chocolate',\n",
       "  'soda',\n",
       "  'soft cheese',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'Instant food products',\n",
       "  'instant coffee',\n",
       "  'yogurt'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'sausage',\n",
       "  'root vegetables',\n",
       "  'berries',\n",
       "  'beef',\n",
       "  'whole milk'],\n",
       " ['tropical fruit',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'mustard',\n",
       "  'pork'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'frankfurter',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'soda',\n",
       "  'hamburger meat',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream'],\n",
       " ['other vegetables',\n",
       "  'frankfurter',\n",
       "  'popcorn',\n",
       "  'hamburger meat',\n",
       "  'finished products',\n",
       "  'margarine'],\n",
       " ['meat',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'long life bakery product',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'whole milk',\n",
       "  'semi-finished bread',\n",
       "  'sugar'],\n",
       " ['hard cheese',\n",
       "  'cream cheese ',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'waffles'],\n",
       " ['butter',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'baking powder',\n",
       "  'cat food',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['pastry',\n",
       "  'white wine',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'domestic eggs',\n",
       "  'canned beer',\n",
       "  'long life bakery product',\n",
       "  'beverages',\n",
       "  'citrus fruit',\n",
       "  'hygiene articles',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'ice cream',\n",
       "  'bottled beer'],\n",
       " ['hamburger meat', 'yogurt', 'margarine', 'soft cheese'],\n",
       " ['meat', 'chocolate', 'brown bread'],\n",
       " ['other vegetables',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'waffles',\n",
       "  'sparkling wine'],\n",
       " ['butter',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'liquor',\n",
       "  'onions',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'semi-finished bread'],\n",
       " ['sauces',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'pickled vegetables',\n",
       "  'whole milk',\n",
       "  'liquor (appetizer)',\n",
       "  'cake bar',\n",
       "  'red/blush wine',\n",
       "  'jam'],\n",
       " ['detergent',\n",
       "  'canned beer',\n",
       "  'canned vegetables',\n",
       "  'hamburger meat',\n",
       "  'dishes',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'margarine',\n",
       "  'pastry',\n",
       "  'bottled beer'],\n",
       " ['butter',\n",
       "  'butter milk',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'specialty bar',\n",
       "  'beverages',\n",
       "  'rolls/buns',\n",
       "  'red/blush wine'],\n",
       " ['chicken',\n",
       "  'grapes',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'packaged fruit/vegetables',\n",
       "  'berries',\n",
       "  'pasta',\n",
       "  'fruit/vegetable juice',\n",
       "  'photo/film',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['salt',\n",
       "  'meat',\n",
       "  'butter milk',\n",
       "  'brown bread',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'ham',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['butter milk',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'napkins',\n",
       "  'coffee',\n",
       "  'long life bakery product',\n",
       "  'root vegetables',\n",
       "  'misc. beverages'],\n",
       " ['pip fruit',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'candy',\n",
       "  'citrus fruit',\n",
       "  'onions',\n",
       "  'pasta',\n",
       "  'dessert',\n",
       "  'bottled beer',\n",
       "  'semi-finished bread'],\n",
       " ['bottled water',\n",
       "  'curd',\n",
       "  'napkins',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'hygiene articles',\n",
       "  'whole milk',\n",
       "  'cling film/bags',\n",
       "  'pastry'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'sausage',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'chocolate',\n",
       "  'soda',\n",
       "  'bottled beer',\n",
       "  'sugar'],\n",
       " ['chicken',\n",
       "  'oil',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'salty snack',\n",
       "  'zwieback',\n",
       "  'fruit/vegetable juice',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'bottled beer'],\n",
       " ['sausage', 'soda'],\n",
       " ['condensed milk',\n",
       "  'spread cheese',\n",
       "  'soda',\n",
       "  'cat food',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'specialty bar',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'meat',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'onions',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt'],\n",
       " ['herbs',\n",
       "  'grapes',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'spread cheese'],\n",
       " ['pip fruit',\n",
       "  'brown bread',\n",
       "  'male cosmetics',\n",
       "  'beverages',\n",
       "  'rolls/buns',\n",
       "  'mustard',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['citrus fruit', 'bottled water', 'other vegetables', 'ham'],\n",
       " ['hard cheese',\n",
       "  'other vegetables',\n",
       "  'sauces',\n",
       "  'chocolate',\n",
       "  'whole milk',\n",
       "  'pork'],\n",
       " ['mayonnaise',\n",
       "  'specialty chocolate',\n",
       "  'sausage',\n",
       "  'candles',\n",
       "  'tropical fruit',\n",
       "  'sauces',\n",
       "  'coffee',\n",
       "  'flour',\n",
       "  'berries',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'spread cheese'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'frozen chicken',\n",
       "  'whipped/sour cream',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'margarine'],\n",
       " ['meat',\n",
       "  'canned fish',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'berries',\n",
       "  'shopping bags',\n",
       "  'baking powder'],\n",
       " ['rice',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'detergent',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'cake bar',\n",
       "  'pastry',\n",
       "  'jam'],\n",
       " ['herbs', 'oil', 'whole milk', 'margarine', 'specialty chocolate', 'sugar'],\n",
       " ['meat',\n",
       "  'yogurt',\n",
       "  'pip fruit',\n",
       "  'domestic eggs',\n",
       "  'long life bakery product',\n",
       "  'roll products ',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'pot plants',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'bottled beer'],\n",
       " ['hard cheese',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'chocolate',\n",
       "  'salty snack',\n",
       "  'photo/film',\n",
       "  'pork',\n",
       "  'ice cream'],\n",
       " ['herbs',\n",
       "  'meat',\n",
       "  'napkins',\n",
       "  'newspapers',\n",
       "  'berries',\n",
       "  'zwieback',\n",
       "  'whipped/sour cream',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'waffles'],\n",
       " ['grapes',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'instant coffee',\n",
       "  'misc. beverages'],\n",
       " ['sugar', 'margarine', 'pip fruit', 'soft cheese'],\n",
       " ['vinegar', 'cream cheese ', 'butter milk', 'newspapers', 'root vegetables'],\n",
       " ['chicken',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'tea',\n",
       "  'bottled beer',\n",
       "  'semi-finished bread'],\n",
       " ['pastry',\n",
       "  'canned fruit',\n",
       "  'UHT-milk',\n",
       "  'grapes',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'citrus fruit',\n",
       "  'yogurt',\n",
       "  'chewing gum',\n",
       "  'specialty chocolate'],\n",
       " ['mayonnaise',\n",
       "  'other vegetables',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'margarine'],\n",
       " ['oil',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'mustard',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'misc. beverages'],\n",
       " ['butter',\n",
       "  'semi-finished bread',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'organic sausage'],\n",
       " ['sauces',\n",
       "  'frankfurter',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'hamburger meat',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk'],\n",
       " ['butter',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'spread cheese'],\n",
       " ['grapes',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'condensed milk',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'margarine',\n",
       "  'yogurt'],\n",
       " ['mayonnaise',\n",
       "  'ready soups',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'flour',\n",
       "  'berries',\n",
       "  'whole milk'],\n",
       " ['tropical fruit',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'Instant food products'],\n",
       " ['chicken',\n",
       "  'butter milk',\n",
       "  'bottled water',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'hygiene articles',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'ice cream'],\n",
       " ['bottled water',\n",
       "  'other vegetables',\n",
       "  'frozen fish',\n",
       "  'newspapers',\n",
       "  'soft cheese'],\n",
       " ['chicken',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'salty snack',\n",
       "  'hamburger meat',\n",
       "  'skin care',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'ham',\n",
       "  'whipped/sour cream'],\n",
       " ['tropical fruit',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'newspapers',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk'],\n",
       " ['pork', 'long life bakery product', 'chocolate', 'pip fruit'],\n",
       " ['butter milk',\n",
       "  'packaged fruit/vegetables',\n",
       "  'hygiene articles',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['meat',\n",
       "  'butter milk',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'softener',\n",
       "  'beef',\n",
       "  'chewing gum'],\n",
       " ['sausage', 'soda', 'semi-finished bread', 'rolls/buns'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'roll products ',\n",
       "  'citrus fruit'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'seasonal products',\n",
       "  'cookware',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'long life bakery product',\n",
       "  'pasta',\n",
       "  'beef',\n",
       "  'liquor (appetizer)',\n",
       "  'domestic eggs',\n",
       "  'pork'],\n",
       " ['cream cheese ',\n",
       "  'UHT-milk',\n",
       "  'rice',\n",
       "  'butter milk',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'seasonal products',\n",
       "  'beverages',\n",
       "  'newspapers',\n",
       "  'bottled beer',\n",
       "  'pork'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'pip fruit',\n",
       "  'domestic eggs',\n",
       "  'softener',\n",
       "  'finished products',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['oil',\n",
       "  'yogurt',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'napkins',\n",
       "  'white bread',\n",
       "  'brown bread',\n",
       "  'onions',\n",
       "  'margarine',\n",
       "  'dessert',\n",
       "  'ham',\n",
       "  'ice cream',\n",
       "  'bottled beer'],\n",
       " ['pastry',\n",
       "  'chicken',\n",
       "  'butter',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'roll products ',\n",
       "  'chocolate',\n",
       "  'candy',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'specialty chocolate',\n",
       "  'pet care'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'detergent',\n",
       "  'frozen vegetables',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt',\n",
       "  'sliced cheese',\n",
       "  'sweet spreads'],\n",
       " ['other vegetables',\n",
       "  'newspapers',\n",
       "  'chocolate',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'yogurt'],\n",
       " ['oil',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'frozen fish',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'chewing gum',\n",
       "  'misc. beverages'],\n",
       " ['ice cream',\n",
       "  'pork',\n",
       "  'brown bread',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'liquor (appetizer)',\n",
       "  'bottled water',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'specialty chocolate',\n",
       "  'other vegetables',\n",
       "  'popcorn',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'baking powder',\n",
       "  'fruit/vegetable juice',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'sliced cheese',\n",
       "  'waffles'],\n",
       " ['tropical fruit', 'cream cheese '],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'berries',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'misc. beverages'],\n",
       " ['sausage', 'red/blush wine', 'frankfurter', 'yogurt', 'pastry'],\n",
       " ['other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'citrus fruit',\n",
       "  'baking powder',\n",
       "  'mustard',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['oil', 'butter milk', 'bottled water', 'coffee', 'berries'],\n",
       " ['tropical fruit', 'frozen meals'],\n",
       " ['butter',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'flour',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'cake bar',\n",
       "  'waffles'],\n",
       " ['UHT-milk',\n",
       "  'liquor',\n",
       "  'misc. beverages',\n",
       "  'chicken',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'candy',\n",
       "  'sausage',\n",
       "  'canned beer',\n",
       "  'soups',\n",
       "  'root vegetables',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'curd',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'onions',\n",
       "  'dessert',\n",
       "  'yogurt'],\n",
       " ['other vegetables',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'sugar'],\n",
       " ['red/blush wine', 'soda', 'other vegetables', 'bottled beer'],\n",
       " ['oil',\n",
       "  'bottled water',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'soda',\n",
       "  'frozen dessert',\n",
       "  'whipped/sour cream',\n",
       "  'baking powder',\n",
       "  'domestic eggs'],\n",
       " ['chicken',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'fish',\n",
       "  'chocolate',\n",
       "  'root vegetables'],\n",
       " ['butter',\n",
       "  'meat',\n",
       "  'butter milk',\n",
       "  'frankfurter',\n",
       "  'dishes',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'misc. beverages'],\n",
       " ['chicken',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'coffee',\n",
       "  'long life bakery product',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'domestic eggs',\n",
       "  'frozen potato products'],\n",
       " ['butter',\n",
       "  'butter milk',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'artif. sweetener',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'turkey',\n",
       "  'waffles'],\n",
       " ['curd', 'canned beer', 'chocolate marshmallow', 'rolls/buns'],\n",
       " ['oil',\n",
       "  'condensed milk',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'root vegetables',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['pastry',\n",
       "  'chicken',\n",
       "  'butter milk',\n",
       "  'frankfurter',\n",
       "  'whipped/sour cream',\n",
       "  'beef',\n",
       "  'ham',\n",
       "  'yogurt',\n",
       "  'whole milk',\n",
       "  'sliced cheese',\n",
       "  'waffles'],\n",
       " ['herbs',\n",
       "  'chicken',\n",
       "  'UHT-milk',\n",
       "  'candles',\n",
       "  'canned beer',\n",
       "  'soups',\n",
       "  'long life bakery product',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'ketchup',\n",
       "  'berries',\n",
       "  'onions',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'sweet spreads'],\n",
       " ['rice',\n",
       "  'curd',\n",
       "  'roll products ',\n",
       "  'flour',\n",
       "  'liquor',\n",
       "  'berries',\n",
       "  'pork',\n",
       "  'specialty chocolate'],\n",
       " ['UHT-milk',\n",
       "  'white bread',\n",
       "  'bottled water',\n",
       "  'candy',\n",
       "  'hygiene articles',\n",
       "  'whole milk'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'specialty bar',\n",
       "  'canned beer',\n",
       "  'citrus fruit',\n",
       "  'shopping bags',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'honey',\n",
       "  'pastry',\n",
       "  'waffles'],\n",
       " ['salt',\n",
       "  'salty snack',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'margarine',\n",
       "  'yogurt'],\n",
       " ['cream cheese ',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'waffles',\n",
       "  'frozen potato products',\n",
       "  'semi-finished bread'],\n",
       " ['hard cheese',\n",
       "  'butter milk',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'soups',\n",
       "  'long life bakery product',\n",
       "  'specialty cheese',\n",
       "  'soft cheese',\n",
       "  'onions',\n",
       "  'whipped/sour cream'],\n",
       " ['butter',\n",
       "  'yogurt',\n",
       "  'pip fruit',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'light bulbs',\n",
       "  'beef',\n",
       "  'domestic eggs',\n",
       "  'dish cleaner',\n",
       "  'sugar'],\n",
       " ['cream cheese ',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'candles',\n",
       "  'other vegetables',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'pork'],\n",
       " ['rum', 'sugar'],\n",
       " ['butter milk',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'liquor',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'dessert',\n",
       "  'Instant food products',\n",
       "  'chewing gum',\n",
       "  'pastry'],\n",
       " ['vinegar',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'long life bakery product',\n",
       "  'soda',\n",
       "  'liquor',\n",
       "  'hamburger meat',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'bottled beer'],\n",
       " ['butter',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'newspapers',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'zwieback',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'ice cream'],\n",
       " ['chicken',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'ketchup',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'sweet spreads',\n",
       "  'dish cleaner'],\n",
       " ['other vegetables', 'napkins', 'newspapers', 'soda', 'whole milk', 'yogurt'],\n",
       " ['butter',\n",
       "  'soda',\n",
       "  'candy',\n",
       "  'cat food',\n",
       "  'photo/film',\n",
       "  'ham',\n",
       "  'sausage',\n",
       "  'tropical fruit',\n",
       "  'soups',\n",
       "  'whole milk',\n",
       "  'cream cheese ',\n",
       "  'yogurt',\n",
       "  'other vegetables',\n",
       "  'seasonal products',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'shopping bags',\n",
       "  'domestic eggs',\n",
       "  'chewing gum',\n",
       "  'sugar'],\n",
       " ['sausage', 'newspapers', 'rolls/buns', 'hamburger meat', 'cream'],\n",
       " ['butter',\n",
       "  'oil',\n",
       "  'bottled beer',\n",
       "  'female sanitary products',\n",
       "  'misc. beverages',\n",
       "  'soda',\n",
       "  'mustard',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'soft cheese',\n",
       "  'zwieback',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'pip fruit',\n",
       "  'sauces',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'ice cream'],\n",
       " ['chicken', 'sausage', 'salty snack', 'margarine', 'yogurt', 'sliced cheese'],\n",
       " ['salt',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'margarine',\n",
       "  'yogurt',\n",
       "  'sliced cheese',\n",
       "  'sugar'],\n",
       " ['tropical fruit',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['bottled water',\n",
       "  'pot plants',\n",
       "  'dessert',\n",
       "  'liquor (appetizer)',\n",
       "  'bottled beer',\n",
       "  'misc. beverages'],\n",
       " ['chicken',\n",
       "  'UHT-milk',\n",
       "  'pip fruit',\n",
       "  'curd',\n",
       "  'male cosmetics',\n",
       "  'soap',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'finished products',\n",
       "  'whipped/sour cream',\n",
       "  'cat food',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'semi-finished bread'],\n",
       " ['other vegetables',\n",
       "  'tropical fruit',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'cereals'],\n",
       " ['coffee', 'UHT-milk', 'soda', 'brown bread'],\n",
       " ['pip fruit',\n",
       "  'domestic eggs',\n",
       "  'curd',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['chicken',\n",
       "  'herbs',\n",
       "  'curd cheese',\n",
       "  'sausage',\n",
       "  'red/blush wine',\n",
       "  'curd',\n",
       "  'frankfurter',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['tropical fruit', 'meat', 'butter milk', 'beef'],\n",
       " ['soda', 'white wine', 'frozen potato products', 'soft cheese'],\n",
       " ['seasonal products', 'flour', 'specialty fat', 'citrus fruit', 'whole milk'],\n",
       " ['salt',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'hygiene articles',\n",
       "  'whipped/sour cream',\n",
       "  'turkey',\n",
       "  'sliced cheese'],\n",
       " ['curd cheese',\n",
       "  'butter',\n",
       "  'butter milk',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'chocolate',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'packaged fruit/vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'sugar'],\n",
       " ['meat',\n",
       "  'cream cheese ',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'beverages',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'domestic eggs'],\n",
       " ['cream cheese ',\n",
       "  'white wine',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'UHT-milk',\n",
       "  'brandy',\n",
       "  'white bread',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'shopping bags',\n",
       "  'dessert',\n",
       "  'semi-finished bread'],\n",
       " ['long life bakery product', 'brown bread'],\n",
       " ['brown bread',\n",
       "  'frankfurter',\n",
       "  'root vegetables',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'turkey'],\n",
       " ['mayonnaise', 'oil', 'white wine', 'tropical fruit', 'flour', 'rolls/buns'],\n",
       " ['photo/film',\n",
       "  'bottled water',\n",
       "  'napkins',\n",
       "  'canned beer',\n",
       "  'newspapers',\n",
       "  'citrus fruit',\n",
       "  'bottled beer',\n",
       "  'pastry'],\n",
       " ['chicken',\n",
       "  'butter',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'candy',\n",
       "  'pasta',\n",
       "  'citrus fruit',\n",
       "  'finished products',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['mayonnaise',\n",
       "  'UHT-milk',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'candy',\n",
       "  'finished products',\n",
       "  'fruit/vegetable juice',\n",
       "  'ham',\n",
       "  'pork'],\n",
       " ['pastry',\n",
       "  'chicken',\n",
       "  'salt',\n",
       "  'oil',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'chocolate',\n",
       "  'soft cheese',\n",
       "  'whole milk',\n",
       "  'beef',\n",
       "  'sliced cheese'],\n",
       " ['oil',\n",
       "  'UHT-milk',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'bottled water',\n",
       "  'chocolate',\n",
       "  'citrus fruit',\n",
       "  'zwieback',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'yogurt',\n",
       "  'chewing gum',\n",
       "  'specialty chocolate',\n",
       "  'bottled beer'],\n",
       " ['tropical fruit', 'white bread'],\n",
       " ['yogurt',\n",
       "  'grapes',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'curd',\n",
       "  'other vegetables',\n",
       "  'soda',\n",
       "  'beverages',\n",
       "  'rolls/buns',\n",
       "  'root vegetables',\n",
       "  'fruit/vegetable juice',\n",
       "  'whipped/sour cream',\n",
       "  'bottled beer',\n",
       "  'sugar'],\n",
       " ['mayonnaise',\n",
       "  'other vegetables',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'newspapers',\n",
       "  'processed cheese',\n",
       "  'margarine',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'sweet spreads'],\n",
       " ['other vegetables',\n",
       "  'newspapers',\n",
       "  'meat spreads',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'dishes'],\n",
       " ['other vegetables',\n",
       "  'pip fruit',\n",
       "  'canned beer',\n",
       "  'specialty bar',\n",
       "  'newspapers',\n",
       "  'popcorn',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'baking powder',\n",
       "  'spread cheese',\n",
       "  'sugar'],\n",
       " ['butter',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'newspapers',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'long life bakery product',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'sliced cheese'],\n",
       " ['domestic eggs',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'soft cheese',\n",
       "  'hygiene articles',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'chewing gum'],\n",
       " ['other vegetables', 'napkins', 'pot plants', 'rolls/buns', 'whole milk'],\n",
       " ['hamburger meat', 'frozen vegetables', 'onions', 'pip fruit'],\n",
       " ['chicken',\n",
       "  'UHT-milk',\n",
       "  'cocoa drinks',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'canned fish',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'liquor',\n",
       "  'hamburger meat',\n",
       "  'potato products',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'canned fruit'],\n",
       " ['pork', 'whipped/sour cream', 'whole milk', 'cake bar'],\n",
       " ['oil',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'curd',\n",
       "  'tropical fruit',\n",
       "  'canned beer',\n",
       "  'chocolate',\n",
       "  'hamburger meat',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt'],\n",
       " ['meat',\n",
       "  'cream cheese ',\n",
       "  'cooking chocolate',\n",
       "  'candy',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'onions',\n",
       "  'pastry'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'canned beer',\n",
       "  'berries',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'bottled beer',\n",
       "  'specialty chocolate'],\n",
       " ['herbs',\n",
       "  'UHT-milk',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'frozen vegetables',\n",
       "  'frankfurter',\n",
       "  'soda',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'baking powder',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'yogurt',\n",
       "  'margarine',\n",
       "  'pastry',\n",
       "  'pet care'],\n",
       " ['salt',\n",
       "  'tropical fruit',\n",
       "  'napkins',\n",
       "  'canned beer',\n",
       "  'frozen vegetables',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'candy',\n",
       "  'whole milk',\n",
       "  'cat food',\n",
       "  'ham',\n",
       "  'semi-finished bread'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'dessert',\n",
       "  'sliced cheese',\n",
       "  'sugar'],\n",
       " ['herbs', 'frozen fish', 'curd', 'napkins', 'rolls/buns', 'bottled beer'],\n",
       " ['tropical fruit',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'pasta',\n",
       "  'onions',\n",
       "  'finished products',\n",
       "  'hygiene articles',\n",
       "  'pork',\n",
       "  'pastry'],\n",
       " ['whole milk', 'citrus fruit', 'pet care', 'beef'],\n",
       " ['canned fish',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'processed cheese',\n",
       "  'hamburger meat',\n",
       "  'dishes',\n",
       "  'shopping bags',\n",
       "  'onions',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'pork'],\n",
       " ['sausage',\n",
       "  'napkins',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'yogurt',\n",
       "  'cereals'],\n",
       " ['nut snack', 'butter'],\n",
       " ['berries', 'processed cheese', 'root vegetables'],\n",
       " ['cream cheese ',\n",
       "  'other vegetables',\n",
       "  'artif. sweetener',\n",
       "  'liquor',\n",
       "  'hamburger meat',\n",
       "  'berries',\n",
       "  'whole milk'],\n",
       " ['specialty chocolate',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'bottled water',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'hamburger meat',\n",
       "  'citrus fruit',\n",
       "  'softener',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'pot plants',\n",
       "  'yogurt',\n",
       "  'pastry',\n",
       "  'semi-finished bread'],\n",
       " ['pastry', 'chicken', 'yogurt', 'rolls/buns'],\n",
       " ['brown bread',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'yogurt',\n",
       "  'dish cleaner',\n",
       "  'sugar'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'hygiene articles',\n",
       "  'frozen meals',\n",
       "  'pork'],\n",
       " ['citrus fruit', 'yogurt'],\n",
       " ['hard cheese',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'pickled vegetables',\n",
       "  'shopping bags',\n",
       "  'hygiene articles',\n",
       "  'domestic eggs'],\n",
       " ['hamburger meat', 'chewing gum', 'other vegetables', 'yogurt'],\n",
       " ['hard cheese',\n",
       "  'vinegar',\n",
       "  'cream cheese ',\n",
       "  'white bread',\n",
       "  'grapes',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'meat spreads',\n",
       "  'specialty cheese',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'yogurt'],\n",
       " ['hard cheese',\n",
       "  'sausage',\n",
       "  'brown bread',\n",
       "  'other vegetables',\n",
       "  'grapes',\n",
       "  'seasonal products',\n",
       "  'frankfurter',\n",
       "  'dental care',\n",
       "  'soda',\n",
       "  'onions',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'waffles'],\n",
       " ['hard cheese',\n",
       "  'tropical fruit',\n",
       "  'newspapers',\n",
       "  'rolls/buns',\n",
       "  'zwieback',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'frozen meals',\n",
       "  'margarine',\n",
       "  'pastry'],\n",
       " ['sausage',\n",
       "  'other vegetables',\n",
       "  'frozen vegetables',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'cat food',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'jam',\n",
       "  'waffles'],\n",
       " ['white bread',\n",
       "  'brown bread',\n",
       "  'curd',\n",
       "  'soda',\n",
       "  'citrus fruit',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'ham',\n",
       "  'pastry'],\n",
       " ['white wine',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'fruit/vegetable juice',\n",
       "  'dessert',\n",
       "  'frozen meals'],\n",
       " ['pasta',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'bottled beer',\n",
       "  'pork'],\n",
       " ['specialty chocolate', 'beef'],\n",
       " ['brown bread',\n",
       "  'fish',\n",
       "  'packaged fruit/vegetables',\n",
       "  'frozen meals',\n",
       "  'specialty chocolate'],\n",
       " ['soups', 'rolls/buns', 'root vegetables', 'yogurt'],\n",
       " ['root vegetables', 'bottled water', 'other vegetables'],\n",
       " ['canned beer', 'beef', 'whole milk'],\n",
       " ['brown bread', 'cookware', 'beef', 'yogurt', 'turkey'],\n",
       " ['herbs',\n",
       "  'white bread',\n",
       "  'butter milk',\n",
       "  'brown bread',\n",
       "  'bottled water',\n",
       "  'detergent',\n",
       "  'frozen vegetables',\n",
       "  'root vegetables',\n",
       "  'salty snack',\n",
       "  'beef',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'pork',\n",
       "  'pastry',\n",
       "  'whole milk'],\n",
       " ['white bread',\n",
       "  'brown bread',\n",
       "  'bottled water',\n",
       "  'frozen vegetables',\n",
       "  'chocolate marshmallow',\n",
       "  'flour',\n",
       "  'salty snack',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'domestic eggs'],\n",
       " ['chicken', 'specialty chocolate', 'whole milk', 'fruit/vegetable juice'],\n",
       " ['butter',\n",
       "  'liqueur',\n",
       "  'tropical fruit',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'frozen fruits'],\n",
       " ['bathroom cleaner',\n",
       "  'ice cream',\n",
       "  'white wine',\n",
       "  'sausage',\n",
       "  'pip fruit',\n",
       "  'soda',\n",
       "  'processed cheese',\n",
       "  'rolls/buns',\n",
       "  'berries',\n",
       "  'hamburger meat',\n",
       "  'whole milk',\n",
       "  'margarine',\n",
       "  'pastry'],\n",
       " ['butter milk',\n",
       "  'sausage',\n",
       "  'bottled water',\n",
       "  'rolls/buns',\n",
       "  'whole milk',\n",
       "  'dessert'],\n",
       " ['domestic eggs',\n",
       "  'napkins',\n",
       "  'long life bakery product',\n",
       "  'chocolate',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt',\n",
       "  'pork'],\n",
       " ['grapes',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'curd',\n",
       "  'whipped/sour cream',\n",
       "  'bottled beer'],\n",
       " ['soda', 'mustard'],\n",
       " ['tropical fruit',\n",
       "  'rolls/buns',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'flower (seeds)'],\n",
       " ['butter',\n",
       "  'white wine',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'soap',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'chicken',\n",
       "  'frozen fish',\n",
       "  'soda',\n",
       "  'nuts/prunes',\n",
       "  'sausage',\n",
       "  'tropical fruit',\n",
       "  'specialty bar',\n",
       "  'flour',\n",
       "  'citrus fruit',\n",
       "  'other vegetables',\n",
       "  'coffee',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'seasonal products',\n",
       "  'rolls/buns',\n",
       "  'beef',\n",
       "  'pastry'],\n",
       " ['chicken',\n",
       "  'pip fruit',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'waffles',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'pet care'],\n",
       " ['yogurt',\n",
       "  'pip fruit',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'soda',\n",
       "  'chocolate',\n",
       "  'fruit/vegetable juice',\n",
       "  'whole milk',\n",
       "  'bottled beer',\n",
       "  'waffles'],\n",
       " ['white bread',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'soft cheese',\n",
       "  'rolls/buns',\n",
       "  'frozen dessert',\n",
       "  'shopping bags',\n",
       "  'fruit/vegetable juice',\n",
       "  'margarine',\n",
       "  'frozen meals',\n",
       "  'yogurt',\n",
       "  'pet care'],\n",
       " ['yogurt',\n",
       "  'canned beer',\n",
       "  'roll products ',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'domestic eggs',\n",
       "  'flower (seeds)'],\n",
       " ['pastry',\n",
       "  'white bread',\n",
       "  'bottled water',\n",
       "  'pip fruit',\n",
       "  'brown bread',\n",
       "  'frankfurter',\n",
       "  'canned beer',\n",
       "  'soda',\n",
       "  'newspapers',\n",
       "  'processed cheese',\n",
       "  'berries',\n",
       "  'citrus fruit',\n",
       "  'beverages',\n",
       "  'shopping bags',\n",
       "  'pickled vegetables',\n",
       "  'ham',\n",
       "  'cleaner',\n",
       "  'bottled beer'],\n",
       " ['pork',\n",
       "  'misc. beverages',\n",
       "  'candles',\n",
       "  'dishes',\n",
       "  'frozen vegetables',\n",
       "  'canned beer',\n",
       "  'canned vegetables',\n",
       "  'root vegetables',\n",
       "  'pot plants',\n",
       "  'citrus fruit',\n",
       "  'whole milk',\n",
       "  'pastry',\n",
       "  'pip fruit',\n",
       "  'sauces',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'whipped/sour cream',\n",
       "  'chewing gum',\n",
       "  'ice cream',\n",
       "  'waffles'],\n",
       " ['butter',\n",
       "  'dog food',\n",
       "  'cream cheese ',\n",
       "  'white wine',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'popcorn',\n",
       "  'soft cheese',\n",
       "  'rolls/buns',\n",
       "  'shopping bags',\n",
       "  'hygiene articles',\n",
       "  'ice cream',\n",
       "  'misc. beverages'],\n",
       " ['rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'fruit/vegetable juice',\n",
       "  'bottled beer',\n",
       "  'sparkling wine',\n",
       "  'dish cleaner'],\n",
       " ['butter',\n",
       "  'butter milk',\n",
       "  'bottled water',\n",
       "  'other vegetables',\n",
       "  'napkins',\n",
       "  'processed cheese',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'spices',\n",
       "  'citrus fruit',\n",
       "  'chocolate',\n",
       "  'shopping bags',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'cereals'],\n",
       " ['meat',\n",
       "  'frozen vegetables',\n",
       "  'beverages',\n",
       "  'root vegetables',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'pork'],\n",
       " ['sausage',\n",
       "  'brown bread',\n",
       "  'other vegetables',\n",
       "  'frozen dessert',\n",
       "  'liquor',\n",
       "  'baking powder'],\n",
       " ['butter',\n",
       "  'cream cheese ',\n",
       "  'grapes',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'beverages',\n",
       "  'hamburger meat',\n",
       "  'beef',\n",
       "  'mustard',\n",
       "  'yogurt',\n",
       "  'pastry'],\n",
       " ['yogurt',\n",
       "  'brown bread',\n",
       "  'male cosmetics',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'dessert',\n",
       "  'mustard',\n",
       "  'bottled beer',\n",
       "  'pork',\n",
       "  'cat food',\n",
       "  'jam'],\n",
       " ['frankfurter', 'coffee', 'frozen potato products', 'pot plants'],\n",
       " ['cream cheese ', 'brown bread', 'whole milk', 'dessert', 'photo/film'],\n",
       " ['mayonnaise', 'soda', 'root vegetables', 'whole milk', 'domestic eggs'],\n",
       " ['tropical fruit', 'soda', 'rolls/buns', 'pork', 'pastry', 'prosecco'],\n",
       " ['other vegetables',\n",
       "  'bottled water',\n",
       "  'specialty bar',\n",
       "  'soda',\n",
       "  'root vegetables',\n",
       "  'shopping bags',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'waffles'],\n",
       " ['mayonnaise',\n",
       "  'UHT-milk',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'candles',\n",
       "  'frankfurter',\n",
       "  'beverages',\n",
       "  'soda',\n",
       "  'liquor',\n",
       "  'rolls/buns',\n",
       "  'onions',\n",
       "  'shopping bags',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt'],\n",
       " ['cling film/bags', 'butter milk', 'bottled water', 'rolls/buns'],\n",
       " ['UHT-milk',\n",
       "  'other vegetables',\n",
       "  'domestic eggs',\n",
       "  'rolls/buns',\n",
       "  'packaged fruit/vegetables',\n",
       "  'onions',\n",
       "  'yogurt'],\n",
       " ['oil',\n",
       "  'white bread',\n",
       "  'pip fruit',\n",
       "  'other vegetables',\n",
       "  'bottled water',\n",
       "  'brown bread',\n",
       "  'frozen vegetables',\n",
       "  'coffee',\n",
       "  'soft cheese',\n",
       "  'dessert',\n",
       "  'whole milk',\n",
       "  'yogurt',\n",
       "  'cake bar',\n",
       "  'ice cream',\n",
       "  'syrup'],\n",
       " ['pork', 'rum', 'soda', 'tropical fruit'],\n",
       " ['berries', 'whipped/sour cream', 'pip fruit', 'sugar'],\n",
       " ['chicken',\n",
       "  'dog food',\n",
       "  'white wine',\n",
       "  'UHT-milk',\n",
       "  'pip fruit',\n",
       "  'bottled water',\n",
       "  'tropical fruit',\n",
       "  'seasonal products',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'root vegetables',\n",
       "  'whipped/sour cream',\n",
       "  'whole milk',\n",
       "  'nuts/prunes',\n",
       "  'bottled beer',\n",
       "  'waffles'],\n",
       " ['chicken',\n",
       "  'tropical fruit',\n",
       "  'curd',\n",
       "  'canned beer',\n",
       "  'coffee',\n",
       "  'chocolate',\n",
       "  'soda',\n",
       "  'rolls/buns',\n",
       "  'frozen meals',\n",
       "  'bottled beer',\n",
       "  'waffles',\n",
       "  'frozen potato products'],\n",
       " ['white bread',\n",
       "  'sausage',\n",
       "  'other vegetables',\n",
       "  'brown bread',\n",
       "  'tropical fruit',\n",
       "  'candles',\n",
       "  'frankfurter',\n",
       "  'salty snack',\n",
       "  'flour',\n",
       "  'citrus fruit',\n",
       "  'candy',\n",
       "  'whipped/sour cream',\n",
       "  'fruit/vegetable juice',\n",
       "  'frozen meals',\n",
       "  'waffles'],\n",
       " ['pastry',\n",
       "  'sausage',\n",
       "  'rolls/buns',\n",
       "  'hamburger meat',\n",
       "  'hygiene articles',\n",
       "  'fruit/vegetable juice',\n",
       "  'beef',\n",
       "  'yogurt',\n",
       "  'sliced cheese'],\n",
       " ['meat', 'whole milk'],\n",
       " ['herbs',\n",
       "  'white wine',\n",
       "  'UHT-milk',\n",
       "  'long life bakery product',\n",
       "  'newspapers',\n",
       "  'pork',\n",
       "  'candy',\n",
       "  'cat food',\n",
       "  'hard cheese',\n",
       "  'sausage',\n",
       "  'soft cheese',\n",
       "  'beef',\n",
       "  'whole milk',\n",
       "  'curd cheese',\n",
       "  'other vegetables',\n",
       "  'frankfurter',\n",
       "  'rolls/buns',\n",
       "  'fruit/vegetable juice',\n",
       "  'yogurt',\n",
       "  'sugar'],\n",
       " ['hard cheese',\n",
       "  'other vegetables',\n",
       "  'tropical fruit',\n",
       "  'roll products ',\n",
       "  'citrus fruit',\n",
       "  'bottled beer',\n",
       "  'spread cheese'],\n",
       " ['canned beer', 'margarine', 'dessert', 'yogurt'],\n",
       " ...]"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "### read a csv file and extract the shopping items list\n",
    "\n",
    "df = pd.read_csv('Groceries_dataset.csv')\n",
    "baskets = [list(set(a[1]['itemDescription'].tolist())) for a in list(df.groupby('Member_number'))]\n",
    "baskets\n",
    "\n",
    "### total size of baskets\n",
    "\n",
    "# len(list(np.concatenate(baskets).flat))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "167"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "### unique #items\n",
    "\n",
    "items = set(list(np.concatenate(baskets).flat))\n",
    "len(items)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>hashcode</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>UHT-milk</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>condensed milk</th>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>cling film/bags</th>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>baby cosmetics</th>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>female sanitary products</th>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>cream</th>\n",
       "      <td>162</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>yogurt</th>\n",
       "      <td>163</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>chewing gum</th>\n",
       "      <td>164</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>flower (seeds)</th>\n",
       "      <td>165</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>sugar</th>\n",
       "      <td>166</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>167 rows × 1 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                          hashcode\n",
       "UHT-milk                         0\n",
       "condensed milk                   1\n",
       "cling film/bags                  2\n",
       "baby cosmetics                   3\n",
       "female sanitary products         4\n",
       "...                            ...\n",
       "cream                          162\n",
       "yogurt                         163\n",
       "chewing gum                    164\n",
       "flower (seeds)                 165\n",
       "sugar                          166\n",
       "\n",
       "[167 rows x 1 columns]"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "### hash all singletons\n",
    "df_item_hash = pd.DataFrame(range(len(items)), index = list(items), columns =['hashcode'], dtype=int)\n",
    "df_item_hash"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['UHT-milk',\n",
       " 'condensed milk',\n",
       " 'semi-finished bread',\n",
       " 'butter milk',\n",
       " 'grapes',\n",
       " 'brown bread',\n",
       " 'frozen fish',\n",
       " 'ham',\n",
       " 'hard cheese',\n",
       " 'canned beer',\n",
       " 'berries',\n",
       " 'citrus fruit',\n",
       " 'pastry',\n",
       " 'frankfurter',\n",
       " 'coffee',\n",
       " 'packaged fruit/vegetables',\n",
       " 'pasta',\n",
       " 'whipped/sour cream',\n",
       " 'dessert',\n",
       " 'frozen meals',\n",
       " 'domestic eggs',\n",
       " 'turkey',\n",
       " 'ice cream',\n",
       " 'white wine',\n",
       " 'oil',\n",
       " 'frozen dessert',\n",
       " 'misc. beverages',\n",
       " 'napkins',\n",
       " 'cake bar',\n",
       " 'cat food',\n",
       " 'tropical fruit',\n",
       " 'flour',\n",
       " 'soft cheese',\n",
       " 'hamburger meat',\n",
       " 'whole milk',\n",
       " 'margarine',\n",
       " 'specialty chocolate',\n",
       " 'pet care',\n",
       " 'other vegetables',\n",
       " 'seasonal products',\n",
       " 'rolls/buns',\n",
       " 'shopping bags',\n",
       " 'onions',\n",
       " 'butter',\n",
       " 'herbs',\n",
       " 'long life bakery product',\n",
       " 'newspapers',\n",
       " 'salty snack',\n",
       " 'bottled beer',\n",
       " 'pork',\n",
       " 'red/blush wine',\n",
       " 'chicken',\n",
       " 'detergent',\n",
       " 'beverages',\n",
       " 'bottled water',\n",
       " 'specialty bar',\n",
       " 'roll products ',\n",
       " 'canned vegetables',\n",
       " 'root vegetables',\n",
       " 'pot plants',\n",
       " 'beef',\n",
       " 'curd',\n",
       " 'baking powder',\n",
       " 'sliced cheese',\n",
       " 'waffles',\n",
       " 'processed cheese',\n",
       " 'liquor',\n",
       " 'hygiene articles',\n",
       " 'spread cheese',\n",
       " 'white bread',\n",
       " 'soda',\n",
       " 'chocolate',\n",
       " 'candy',\n",
       " 'dishes',\n",
       " 'mustard',\n",
       " 'sausage',\n",
       " 'frozen vegetables',\n",
       " 'salt',\n",
       " 'meat',\n",
       " 'cream cheese ',\n",
       " 'pip fruit',\n",
       " 'canned fish',\n",
       " 'pickled vegetables',\n",
       " 'fruit/vegetable juice',\n",
       " 'yogurt',\n",
       " 'chewing gum',\n",
       " 'sugar']"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "### count the items, store the count into the hashed array index\n",
    "\n",
    "# item_count = pd.DataFrame(np.zeros((len(items),1)), index = list(items), columns =['count'], dtype=int)\n",
    "item_count_arr = np.zeros((len(items),1))\n",
    "\n",
    "for b in baskets:\n",
    "    for item in b:\n",
    "            idx = df_item_hash.loc[item,'hashcode']\n",
    "            item_count_arr[idx] += 1\n",
    "            \n",
    "### find frequent items with support > s1 (here s1 = 0.02), and hash back from array index to items           \n",
    "freq_items  = [df_item_hash[df_item_hash['hashcode']==x].index[0] for x in np.where(item_count_arr > 0.02*len(baskets))[0]] \n",
    "freq_items\n",
    "\n",
    "# item_count_arr[item_count['count']>0.02*len(baskets)]\n",
    "#freq_items['hashcode'] = list(range(1,len(freq_items)+1))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>hashcode</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>UHT-milk</th>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>condensed milk</th>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>semi-finished bread</th>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>butter milk</th>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>grapes</th>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>pickled vegetables</th>\n",
       "      <td>83</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>fruit/vegetable juice</th>\n",
       "      <td>84</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>yogurt</th>\n",
       "      <td>85</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>chewing gum</th>\n",
       "      <td>86</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>sugar</th>\n",
       "      <td>87</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>87 rows × 1 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                       hashcode\n",
       "UHT-milk                      1\n",
       "condensed milk                2\n",
       "semi-finished bread           3\n",
       "butter milk                   4\n",
       "grapes                        5\n",
       "...                         ...\n",
       "pickled vegetables           83\n",
       "fruit/vegetable juice        84\n",
       "yogurt                       85\n",
       "chewing gum                  86\n",
       "sugar                        87\n",
       "\n",
       "[87 rows x 1 columns]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "### hash the frequent items (starting from 1)\n",
    "\n",
    "df_freq_item_hash = pd.DataFrame(range(1,len(freq_items)+1), index=freq_items, columns=['hashcode'])\n",
    "df_freq_item_hash"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "### triangular array encode function, (not used)\n",
    "# def triangular_encode(i,j,n):\n",
    "#     return int((i-1)*(n-i/2)+j-i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],\n",
       "       [ 0.,  0.,  0., ...,  0.,  0.,  0.],\n",
       "       [ 0.,  5.,  0., ...,  0.,  0.,  0.],\n",
       "       ...,\n",
       "       [ 0., 91., 34., ...,  0.,  0.,  0.],\n",
       "       [ 0., 15., 10., ..., 69.,  0.,  0.],\n",
       "       [ 0., 25.,  6., ..., 82., 15.,  0.]])"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "### count the pairs using only frequent items, store the count into the (triangular) matrix.\n",
    "\n",
    "# pair_mat = pd.DataFrame(np.zeros((len(freq_items.index),len(freq_items.index))), \n",
    "#                         columns=freq_items.index, index=freq_items.index,\n",
    "#                        dtype=int)\n",
    "\n",
    "pair_mat_hashed = np.zeros((len(freq_items)+1,len(freq_items)+1))\n",
    "# n = len(freq_items)\n",
    "# triangular_arr = np.zeros((n*n,))\n",
    "\n",
    "\n",
    "for b in baskets:\n",
    "    cand_list = [item for item in b if item in freq_items]\n",
    "    if len(cand_list)<2:\n",
    "        continue\n",
    "    for idx, item1 in enumerate(cand_list):\n",
    "        for item2 in cand_list[idx+1:]:\n",
    "            i = df_freq_item_hash.loc[item1,'hashcode'] \n",
    "            j = df_freq_item_hash.loc[item2,'hashcode'] \n",
    "            #triangular_arr[triangular_encode(i,j,n)] +=1\n",
    "            #pair_mat.loc[item1, item2] += 1\n",
    "            pair_mat_hashed[max(i,j),min(i,j)]+=1\n",
    "\n",
    "# pair_mat\n",
    "pair_mat_hashed"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[['canned beer', 'brown bread'],\n",
       " ['citrus fruit', 'brown bread'],\n",
       " ['citrus fruit', 'canned beer'],\n",
       " ['pastry', 'brown bread'],\n",
       " ['pastry', 'canned beer'],\n",
       " ['pastry', 'citrus fruit'],\n",
       " ['frankfurter', 'brown bread'],\n",
       " ['frankfurter', 'canned beer'],\n",
       " ['frankfurter', 'citrus fruit'],\n",
       " ['frankfurter', 'pastry'],\n",
       " ['coffee', 'canned beer'],\n",
       " ['coffee', 'citrus fruit'],\n",
       " ['coffee', 'pastry'],\n",
       " ['coffee', 'frankfurter'],\n",
       " ['whipped/sour cream', 'brown bread'],\n",
       " ['whipped/sour cream', 'canned beer'],\n",
       " ['whipped/sour cream', 'citrus fruit'],\n",
       " ['whipped/sour cream', 'pastry'],\n",
       " ['whipped/sour cream', 'frankfurter'],\n",
       " ['domestic eggs', 'brown bread'],\n",
       " ['domestic eggs', 'canned beer'],\n",
       " ['domestic eggs', 'citrus fruit'],\n",
       " ['domestic eggs', 'pastry'],\n",
       " ['domestic eggs', 'frankfurter'],\n",
       " ['domestic eggs', 'coffee'],\n",
       " ['domestic eggs', 'whipped/sour cream'],\n",
       " ['tropical fruit', 'UHT-milk'],\n",
       " ['tropical fruit', 'brown bread'],\n",
       " ['tropical fruit', 'canned beer'],\n",
       " ['tropical fruit', 'berries'],\n",
       " ['tropical fruit', 'citrus fruit'],\n",
       " ['tropical fruit', 'pastry'],\n",
       " ['tropical fruit', 'frankfurter'],\n",
       " ['tropical fruit', 'coffee'],\n",
       " ['tropical fruit', 'whipped/sour cream'],\n",
       " ['tropical fruit', 'dessert'],\n",
       " ['tropical fruit', 'domestic eggs'],\n",
       " ['tropical fruit', 'napkins'],\n",
       " ['whole milk', 'UHT-milk'],\n",
       " ['whole milk', 'butter milk'],\n",
       " ['whole milk', 'grapes'],\n",
       " ['whole milk', 'brown bread'],\n",
       " ['whole milk', 'ham'],\n",
       " ['whole milk', 'hard cheese'],\n",
       " ['whole milk', 'canned beer'],\n",
       " ['whole milk', 'berries'],\n",
       " ['whole milk', 'citrus fruit'],\n",
       " ['whole milk', 'pastry'],\n",
       " ['whole milk', 'frankfurter'],\n",
       " ['whole milk', 'coffee'],\n",
       " ['whole milk', 'whipped/sour cream'],\n",
       " ['whole milk', 'dessert'],\n",
       " ['whole milk', 'frozen meals'],\n",
       " ['whole milk', 'domestic eggs'],\n",
       " ['whole milk', 'ice cream'],\n",
       " ['whole milk', 'white wine'],\n",
       " ['whole milk', 'oil'],\n",
       " ['whole milk', 'misc. beverages'],\n",
       " ['whole milk', 'napkins'],\n",
       " ['whole milk', 'cat food'],\n",
       " ['whole milk', 'tropical fruit'],\n",
       " ['whole milk', 'hamburger meat'],\n",
       " ['margarine', 'canned beer'],\n",
       " ['margarine', 'citrus fruit'],\n",
       " ['margarine', 'pastry'],\n",
       " ['margarine', 'frankfurter'],\n",
       " ['margarine', 'whipped/sour cream'],\n",
       " ['margarine', 'tropical fruit'],\n",
       " ['margarine', 'whole milk'],\n",
       " ['specialty chocolate', 'whole milk'],\n",
       " ['other vegetables', 'UHT-milk'],\n",
       " ['other vegetables', 'butter milk'],\n",
       " ['other vegetables', 'grapes'],\n",
       " ['other vegetables', 'brown bread'],\n",
       " ['other vegetables', 'ham'],\n",
       " ['other vegetables', 'hard cheese'],\n",
       " ['other vegetables', 'canned beer'],\n",
       " ['other vegetables', 'berries'],\n",
       " ['other vegetables', 'citrus fruit'],\n",
       " ['other vegetables', 'pastry'],\n",
       " ['other vegetables', 'frankfurter'],\n",
       " ['other vegetables', 'coffee'],\n",
       " ['other vegetables', 'whipped/sour cream'],\n",
       " ['other vegetables', 'dessert'],\n",
       " ['other vegetables', 'frozen meals'],\n",
       " ['other vegetables', 'domestic eggs'],\n",
       " ['other vegetables', 'ice cream'],\n",
       " ['other vegetables', 'oil'],\n",
       " ['other vegetables', 'misc. beverages'],\n",
       " ['other vegetables', 'napkins'],\n",
       " ['other vegetables', 'cat food'],\n",
       " ['other vegetables', 'tropical fruit'],\n",
       " ['other vegetables', 'hamburger meat'],\n",
       " ['other vegetables', 'whole milk'],\n",
       " ['other vegetables', 'margarine'],\n",
       " ['other vegetables', 'specialty chocolate'],\n",
       " ['rolls/buns', 'UHT-milk'],\n",
       " ['rolls/buns', 'butter milk'],\n",
       " ['rolls/buns', 'grapes'],\n",
       " ['rolls/buns', 'brown bread'],\n",
       " ['rolls/buns', 'ham'],\n",
       " ['rolls/buns', 'hard cheese'],\n",
       " ['rolls/buns', 'canned beer'],\n",
       " ['rolls/buns', 'berries'],\n",
       " ['rolls/buns', 'citrus fruit'],\n",
       " ['rolls/buns', 'pastry'],\n",
       " ['rolls/buns', 'frankfurter'],\n",
       " ['rolls/buns', 'coffee'],\n",
       " ['rolls/buns', 'whipped/sour cream'],\n",
       " ['rolls/buns', 'dessert'],\n",
       " ['rolls/buns', 'frozen meals'],\n",
       " ['rolls/buns', 'domestic eggs'],\n",
       " ['rolls/buns', 'ice cream'],\n",
       " ['rolls/buns', 'oil'],\n",
       " ['rolls/buns', 'misc. beverages'],\n",
       " ['rolls/buns', 'napkins'],\n",
       " ['rolls/buns', 'tropical fruit'],\n",
       " ['rolls/buns', 'hamburger meat'],\n",
       " ['rolls/buns', 'whole milk'],\n",
       " ['rolls/buns', 'margarine'],\n",
       " ['rolls/buns', 'specialty chocolate'],\n",
       " ['rolls/buns', 'other vegetables'],\n",
       " ['shopping bags', 'brown bread'],\n",
       " ['shopping bags', 'canned beer'],\n",
       " ['shopping bags', 'citrus fruit'],\n",
       " ['shopping bags', 'pastry'],\n",
       " ['shopping bags', 'frankfurter'],\n",
       " ['shopping bags', 'whipped/sour cream'],\n",
       " ['shopping bags', 'domestic eggs'],\n",
       " ['shopping bags', 'tropical fruit'],\n",
       " ['shopping bags', 'whole milk'],\n",
       " ['shopping bags', 'margarine'],\n",
       " ['shopping bags', 'other vegetables'],\n",
       " ['shopping bags', 'rolls/buns'],\n",
       " ['onions', 'whole milk'],\n",
       " ['onions', 'other vegetables'],\n",
       " ['onions', 'rolls/buns'],\n",
       " ['butter', 'canned beer'],\n",
       " ['butter', 'citrus fruit'],\n",
       " ['butter', 'pastry'],\n",
       " ['butter', 'frankfurter'],\n",
       " ['butter', 'whipped/sour cream'],\n",
       " ['butter', 'tropical fruit'],\n",
       " ['butter', 'whole milk'],\n",
       " ['butter', 'other vegetables'],\n",
       " ['butter', 'rolls/buns'],\n",
       " ['butter', 'shopping bags'],\n",
       " ['herbs', 'whole milk'],\n",
       " ['long life bakery product', 'whole milk'],\n",
       " ['long life bakery product', 'other vegetables'],\n",
       " ['long life bakery product', 'rolls/buns'],\n",
       " ['newspapers', 'brown bread'],\n",
       " ['newspapers', 'canned beer'],\n",
       " ['newspapers', 'citrus fruit'],\n",
       " ['newspapers', 'pastry'],\n",
       " ['newspapers', 'whipped/sour cream'],\n",
       " ['newspapers', 'domestic eggs'],\n",
       " ['newspapers', 'tropical fruit'],\n",
       " ['newspapers', 'whole milk'],\n",
       " ['newspapers', 'other vegetables'],\n",
       " ['newspapers', 'rolls/buns'],\n",
       " ['newspapers', 'shopping bags'],\n",
       " ['newspapers', 'butter'],\n",
       " ['salty snack', 'whole milk'],\n",
       " ['salty snack', 'other vegetables'],\n",
       " ['salty snack', 'rolls/buns'],\n",
       " ['bottled beer', 'brown bread'],\n",
       " ['bottled beer', 'canned beer'],\n",
       " ['bottled beer', 'citrus fruit'],\n",
       " ['bottled beer', 'pastry'],\n",
       " ['bottled beer', 'frankfurter'],\n",
       " ['bottled beer', 'coffee'],\n",
       " ['bottled beer', 'whipped/sour cream'],\n",
       " ['bottled beer', 'domestic eggs'],\n",
       " ['bottled beer', 'tropical fruit'],\n",
       " ['bottled beer', 'whole milk'],\n",
       " ['bottled beer', 'margarine'],\n",
       " ['bottled beer', 'other vegetables'],\n",
       " ['bottled beer', 'rolls/buns'],\n",
       " ['bottled beer', 'shopping bags'],\n",
       " ['bottled beer', 'butter'],\n",
       " ['bottled beer', 'newspapers'],\n",
       " ['pork', 'brown bread'],\n",
       " ['pork', 'canned beer'],\n",
       " ['pork', 'citrus fruit'],\n",
       " ['pork', 'pastry'],\n",
       " ['pork', 'whipped/sour cream'],\n",
       " ['pork', 'tropical fruit'],\n",
       " ['pork', 'whole milk'],\n",
       " ['pork', 'other vegetables'],\n",
       " ['pork', 'rolls/buns'],\n",
       " ['pork', 'shopping bags'],\n",
       " ['pork', 'newspapers'],\n",
       " ['pork', 'bottled beer'],\n",
       " ['red/blush wine', 'whole milk'],\n",
       " ['chicken', 'citrus fruit'],\n",
       " ['chicken', 'pastry'],\n",
       " ['chicken', 'tropical fruit'],\n",
       " ['chicken', 'whole milk'],\n",
       " ['chicken', 'other vegetables'],\n",
       " ['chicken', 'rolls/buns'],\n",
       " ['beverages', 'whole milk'],\n",
       " ['beverages', 'other vegetables'],\n",
       " ['beverages', 'rolls/buns'],\n",
       " ['bottled water', 'UHT-milk'],\n",
       " ['bottled water', 'brown bread'],\n",
       " ['bottled water', 'canned beer'],\n",
       " ['bottled water', 'citrus fruit'],\n",
       " ['bottled water', 'pastry'],\n",
       " ['bottled water', 'frankfurter'],\n",
       " ['bottled water', 'coffee'],\n",
       " ['bottled water', 'whipped/sour cream'],\n",
       " ['bottled water', 'dessert'],\n",
       " ['bottled water', 'domestic eggs'],\n",
       " ['bottled water', 'napkins'],\n",
       " ['bottled water', 'tropical fruit'],\n",
       " ['bottled water', 'hamburger meat'],\n",
       " ['bottled water', 'whole milk'],\n",
       " ['bottled water', 'margarine'],\n",
       " ['bottled water', 'other vegetables'],\n",
       " ['bottled water', 'rolls/buns'],\n",
       " ['bottled water', 'shopping bags'],\n",
       " ['bottled water', 'butter'],\n",
       " ['bottled water', 'newspapers'],\n",
       " ['bottled water', 'bottled beer'],\n",
       " ['bottled water', 'pork'],\n",
       " ['bottled water', 'chicken'],\n",
       " ['specialty bar', 'whole milk'],\n",
       " ['specialty bar', 'other vegetables'],\n",
       " ['specialty bar', 'rolls/buns'],\n",
       " ['root vegetables', 'UHT-milk'],\n",
       " ['root vegetables', 'brown bread'],\n",
       " ['root vegetables', 'canned beer'],\n",
       " ['root vegetables', 'berries'],\n",
       " ['root vegetables', 'citrus fruit'],\n",
       " ['root vegetables', 'pastry'],\n",
       " ['root vegetables', 'frankfurter'],\n",
       " ['root vegetables', 'coffee'],\n",
       " ['root vegetables', 'whipped/sour cream'],\n",
       " ['root vegetables', 'dessert'],\n",
       " ['root vegetables', 'domestic eggs'],\n",
       " ['root vegetables', 'napkins'],\n",
       " ['root vegetables', 'tropical fruit'],\n",
       " ['root vegetables', 'hamburger meat'],\n",
       " ['root vegetables', 'whole milk'],\n",
       " ['root vegetables', 'margarine'],\n",
       " ['root vegetables', 'other vegetables'],\n",
       " ['root vegetables', 'rolls/buns'],\n",
       " ['root vegetables', 'shopping bags'],\n",
       " ['root vegetables', 'onions'],\n",
       " ['root vegetables', 'butter'],\n",
       " ['root vegetables', 'newspapers'],\n",
       " ['root vegetables', 'salty snack'],\n",
       " ['root vegetables', 'bottled beer'],\n",
       " ['root vegetables', 'pork'],\n",
       " ['root vegetables', 'chicken'],\n",
       " ['root vegetables', 'bottled water'],\n",
       " ['beef', 'citrus fruit'],\n",
       " ['beef', 'pastry'],\n",
       " ['beef', 'frankfurter'],\n",
       " ['beef', 'whipped/sour cream'],\n",
       " ['beef', 'tropical fruit'],\n",
       " ['beef', 'whole milk'],\n",
       " ['beef', 'other vegetables'],\n",
       " ['beef', 'rolls/buns'],\n",
       " ['beef', 'butter'],\n",
       " ['beef', 'newspapers'],\n",
       " ['beef', 'bottled beer'],\n",
       " ['beef', 'bottled water'],\n",
       " ['beef', 'root vegetables'],\n",
       " ['curd', 'brown bread'],\n",
       " ['curd', 'canned beer'],\n",
       " ['curd', 'citrus fruit'],\n",
       " ['curd', 'pastry'],\n",
       " ['curd', 'whipped/sour cream'],\n",
       " ['curd', 'tropical fruit'],\n",
       " ['curd', 'whole milk'],\n",
       " ['curd', 'other vegetables'],\n",
       " ['curd', 'rolls/buns'],\n",
       " ['curd', 'shopping bags'],\n",
       " ['curd', 'bottled beer'],\n",
       " ['curd', 'pork'],\n",
       " ['curd', 'bottled water'],\n",
       " ['curd', 'root vegetables'],\n",
       " ['sliced cheese', 'whole milk'],\n",
       " ['sliced cheese', 'other vegetables'],\n",
       " ['sliced cheese', 'rolls/buns'],\n",
       " ['waffles', 'tropical fruit'],\n",
       " ['waffles', 'whole milk'],\n",
       " ['waffles', 'other vegetables'],\n",
       " ['waffles', 'rolls/buns'],\n",
       " ['processed cheese', 'whole milk'],\n",
       " ['hygiene articles', 'whole milk'],\n",
       " ['hygiene articles', 'other vegetables'],\n",
       " ['hygiene articles', 'rolls/buns'],\n",
       " ['white bread', 'whipped/sour cream'],\n",
       " ['white bread', 'tropical fruit'],\n",
       " ['white bread', 'whole milk'],\n",
       " ['white bread', 'other vegetables'],\n",
       " ['white bread', 'rolls/buns'],\n",
       " ['white bread', 'bottled water'],\n",
       " ['white bread', 'root vegetables'],\n",
       " ['soda', 'UHT-milk'],\n",
       " ['soda', 'butter milk'],\n",
       " ['soda', 'brown bread'],\n",
       " ['soda', 'ham'],\n",
       " ['soda', 'canned beer'],\n",
       " ['soda', 'berries'],\n",
       " ['soda', 'citrus fruit'],\n",
       " ['soda', 'pastry'],\n",
       " ['soda', 'frankfurter'],\n",
       " ['soda', 'coffee'],\n",
       " ['soda', 'whipped/sour cream'],\n",
       " ['soda', 'dessert'],\n",
       " ['soda', 'frozen meals'],\n",
       " ['soda', 'domestic eggs'],\n",
       " ['soda', 'oil'],\n",
       " ['soda', 'napkins'],\n",
       " ['soda', 'tropical fruit'],\n",
       " ['soda', 'hamburger meat'],\n",
       " ['soda', 'whole milk'],\n",
       " ['soda', 'margarine'],\n",
       " ['soda', 'specialty chocolate'],\n",
       " ['soda', 'other vegetables'],\n",
       " ['soda', 'rolls/buns'],\n",
       " ['soda', 'shopping bags'],\n",
       " ['soda', 'onions'],\n",
       " ['soda', 'butter'],\n",
       " ['soda', 'long life bakery product'],\n",
       " ['soda', 'newspapers'],\n",
       " ['soda', 'salty snack'],\n",
       " ['soda', 'bottled beer'],\n",
       " ['soda', 'pork'],\n",
       " ['soda', 'chicken'],\n",
       " ['soda', 'beverages'],\n",
       " ['soda', 'bottled water'],\n",
       " ['soda', 'root vegetables'],\n",
       " ['soda', 'beef'],\n",
       " ['soda', 'curd'],\n",
       " ['soda', 'waffles'],\n",
       " ['soda', 'white bread'],\n",
       " ['chocolate', 'tropical fruit'],\n",
       " ['chocolate', 'whole milk'],\n",
       " ['chocolate', 'other vegetables'],\n",
       " ['chocolate', 'rolls/buns'],\n",
       " ['chocolate', 'bottled water'],\n",
       " ['chocolate', 'root vegetables'],\n",
       " ['chocolate', 'soda'],\n",
       " ['candy', 'whole milk'],\n",
       " ['candy', 'other vegetables'],\n",
       " ['candy', 'rolls/buns'],\n",
       " ['sausage', 'brown bread'],\n",
       " ['sausage', 'canned beer'],\n",
       " ['sausage', 'citrus fruit'],\n",
       " ['sausage', 'pastry'],\n",
       " ['sausage', 'frankfurter'],\n",
       " ['sausage', 'coffee'],\n",
       " ['sausage', 'whipped/sour cream'],\n",
       " ['sausage', 'dessert'],\n",
       " ['sausage', 'domestic eggs'],\n",
       " ['sausage', 'tropical fruit'],\n",
       " ['sausage', 'whole milk'],\n",
       " ['sausage', 'margarine'],\n",
       " ['sausage', 'other vegetables'],\n",
       " ['sausage', 'rolls/buns'],\n",
       " ['sausage', 'shopping bags'],\n",
       " ['sausage', 'butter'],\n",
       " ['sausage', 'newspapers'],\n",
       " ['sausage', 'bottled beer'],\n",
       " ['sausage', 'pork'],\n",
       " ['sausage', 'chicken'],\n",
       " ['sausage', 'bottled water'],\n",
       " ['sausage', 'root vegetables'],\n",
       " ['sausage', 'beef'],\n",
       " ['sausage', 'curd'],\n",
       " ['sausage', 'white bread'],\n",
       " ['sausage', 'soda'],\n",
       " ['sausage', 'chocolate'],\n",
       " ['frozen vegetables', 'canned beer'],\n",
       " ['frozen vegetables', 'citrus fruit'],\n",
       " ['frozen vegetables', 'whipped/sour cream'],\n",
       " ['frozen vegetables', 'tropical fruit'],\n",
       " ['frozen vegetables', 'whole milk'],\n",
       " ['frozen vegetables', 'other vegetables'],\n",
       " ['frozen vegetables', 'rolls/buns'],\n",
       " ['frozen vegetables', 'shopping bags'],\n",
       " ['frozen vegetables', 'bottled water'],\n",
       " ['frozen vegetables', 'root vegetables'],\n",
       " ['frozen vegetables', 'soda'],\n",
       " ['frozen vegetables', 'sausage'],\n",
       " ['meat', 'whole milk'],\n",
       " ['meat', 'other vegetables'],\n",
       " ['meat', 'rolls/buns'],\n",
       " ['meat', 'soda'],\n",
       " ['cream cheese ', 'tropical fruit'],\n",
       " ['cream cheese ', 'whole milk'],\n",
       " ['cream cheese ', 'other vegetables'],\n",
       " ['cream cheese ', 'rolls/buns'],\n",
       " ['cream cheese ', 'shopping bags'],\n",
       " ['cream cheese ', 'bottled water'],\n",
       " ['cream cheese ', 'root vegetables'],\n",
       " ['cream cheese ', 'soda'],\n",
       " ['cream cheese ', 'sausage'],\n",
       " ['pip fruit', 'brown bread'],\n",
       " ['pip fruit', 'canned beer'],\n",
       " ['pip fruit', 'citrus fruit'],\n",
       " ['pip fruit', 'pastry'],\n",
       " ['pip fruit', 'frankfurter'],\n",
       " ['pip fruit', 'coffee'],\n",
       " ['pip fruit', 'whipped/sour cream'],\n",
       " ['pip fruit', 'domestic eggs'],\n",
       " ['pip fruit', 'tropical fruit'],\n",
       " ['pip fruit', 'whole milk'],\n",
       " ['pip fruit', 'margarine'],\n",
       " ['pip fruit', 'other vegetables'],\n",
       " ['pip fruit', 'rolls/buns'],\n",
       " ['pip fruit', 'shopping bags'],\n",
       " ['pip fruit', 'butter'],\n",
       " ['pip fruit', 'newspapers'],\n",
       " ['pip fruit', 'bottled beer'],\n",
       " ['pip fruit', 'pork'],\n",
       " ['pip fruit', 'chicken'],\n",
       " ['pip fruit', 'bottled water'],\n",
       " ['pip fruit', 'root vegetables'],\n",
       " ['pip fruit', 'beef'],\n",
       " ['pip fruit', 'curd'],\n",
       " ['pip fruit', 'soda'],\n",
       " ['pip fruit', 'sausage'],\n",
       " ['fruit/vegetable juice', 'brown bread'],\n",
       " ['fruit/vegetable juice', 'canned beer'],\n",
       " ['fruit/vegetable juice', 'citrus fruit'],\n",
       " ['fruit/vegetable juice', 'pastry'],\n",
       " ['fruit/vegetable juice', 'whipped/sour cream'],\n",
       " ['fruit/vegetable juice', 'domestic eggs'],\n",
       " ['fruit/vegetable juice', 'tropical fruit'],\n",
       " ['fruit/vegetable juice', 'whole milk'],\n",
       " ['fruit/vegetable juice', 'other vegetables'],\n",
       " ['fruit/vegetable juice', 'rolls/buns'],\n",
       " ['fruit/vegetable juice', 'shopping bags'],\n",
       " ['fruit/vegetable juice', 'bottled beer'],\n",
       " ['fruit/vegetable juice', 'bottled water'],\n",
       " ['fruit/vegetable juice', 'root vegetables'],\n",
       " ['fruit/vegetable juice', 'soda'],\n",
       " ['fruit/vegetable juice', 'sausage'],\n",
       " ['fruit/vegetable juice', 'pip fruit'],\n",
       " ['yogurt', 'UHT-milk'],\n",
       " ['yogurt', 'butter milk'],\n",
       " ['yogurt', 'brown bread'],\n",
       " ['yogurt', 'ham'],\n",
       " ['yogurt', 'canned beer'],\n",
       " ['yogurt', 'berries'],\n",
       " ['yogurt', 'citrus fruit'],\n",
       " ['yogurt', 'pastry'],\n",
       " ['yogurt', 'frankfurter'],\n",
       " ['yogurt', 'coffee'],\n",
       " ['yogurt', 'whipped/sour cream'],\n",
       " ['yogurt', 'dessert'],\n",
       " ['yogurt', 'frozen meals'],\n",
       " ['yogurt', 'domestic eggs'],\n",
       " ['yogurt', 'oil'],\n",
       " ['yogurt', 'napkins'],\n",
       " ['yogurt', 'tropical fruit'],\n",
       " ['yogurt', 'hamburger meat'],\n",
       " ['yogurt', 'whole milk'],\n",
       " ['yogurt', 'margarine'],\n",
       " ['yogurt', 'other vegetables'],\n",
       " ['yogurt', 'rolls/buns'],\n",
       " ['yogurt', 'shopping bags'],\n",
       " ['yogurt', 'onions'],\n",
       " ['yogurt', 'butter'],\n",
       " ['yogurt', 'long life bakery product'],\n",
       " ['yogurt', 'newspapers'],\n",
       " ['yogurt', 'salty snack'],\n",
       " ['yogurt', 'bottled beer'],\n",
       " ['yogurt', 'pork'],\n",
       " ['yogurt', 'chicken'],\n",
       " ['yogurt', 'beverages'],\n",
       " ['yogurt', 'bottled water'],\n",
       " ['yogurt', 'root vegetables'],\n",
       " ['yogurt', 'beef'],\n",
       " ['yogurt', 'curd'],\n",
       " ['yogurt', 'waffles'],\n",
       " ['yogurt', 'white bread'],\n",
       " ['yogurt', 'soda'],\n",
       " ['yogurt', 'chocolate'],\n",
       " ['yogurt', 'sausage'],\n",
       " ['yogurt', 'frozen vegetables'],\n",
       " ['yogurt', 'cream cheese '],\n",
       " ['yogurt', 'pip fruit'],\n",
       " ['yogurt', 'fruit/vegetable juice'],\n",
       " ['chewing gum', 'whole milk'],\n",
       " ['chewing gum', 'other vegetables'],\n",
       " ['sugar', 'whole milk'],\n",
       " ['sugar', 'other vegetables'],\n",
       " ['sugar', 'rolls/buns'],\n",
       " ['sugar', 'bottled water'],\n",
       " ['sugar', 'soda'],\n",
       " ['sugar', 'sausage'],\n",
       " ['sugar', 'yogurt']]"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "### extract frequent pairs that exceed support s2 (assume s2 = 0.02), and hash back.\n",
    "\n",
    "freq_pairs = [[df_freq_item_hash[df_freq_item_hash['hashcode']==x].index[0], df_freq_item_hash[df_freq_item_hash['hashcode']==y].index[0]] for x, y in zip(*np.where(pair_mat_hashed > 0.02*len(baskets)))]\n",
    "freq_pairs\n",
    "# freq_pairs = [[freq_itemset[x], freq_itemset[y]] for x, y in zip(*np.where(pair_mat.values > 0.02*len(baskets)))]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "499"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(freq_pairs)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Exercise 3: Use built in tools\n",
    "Use/import the following Python packages: Pandas and MLxtend.  \n",
    "Especially, have a look at apriori and association rules from mlxtend.frequent patterns.  \n",
    "For documentation see: http://rasbt.github.io/mlxtend/\n",
    "\n",
    "If helpful / desirable you might also use TransactionEncoder from mlxtend.preprocessing to clean / prepare your data.\n",
    "\n",
    "The task: determine:\n",
    "1. the frequent pairs of items.\n",
    "2. the association rules of high confidence with or w/o high lift.\n",
    "3. (optional) the association rules of high confidence with or w/o high interest. (optional)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ! pip install mlxtend"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [],
   "source": [
    "from mlxtend.preprocessing import TransactionEncoder\n",
    "from mlxtend.frequent_patterns import apriori, association_rules"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Solutions**  \n",
    "1. The frequent pairs of items.  \n",
    "**I'm mainly refering to this documentation examples:** [reference](https://rasbt.github.io/mlxtend/user_guide/frequent_patterns/apriori/#apriori-frequent-itemsets-via-the-apriori-algorithm)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>3898 rows × 167 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "      Instant food products  UHT-milk  abrasive cleaner  artif. sweetener  \\\n",
       "0                     False     False             False             False   \n",
       "1                     False     False             False             False   \n",
       "2                     False     False             False             False   \n",
       "3                     False     False             False             False   \n",
       "4                     False     False             False             False   \n",
       "...                     ...       ...               ...               ...   \n",
       "3893                  False     False             False             False   \n",
       "3894                  False     False             False             False   \n",
       "3895                  False     False             False             False   \n",
       "3896                  False     False             False             False   \n",
       "3897                  False     False             False             False   \n",
       "\n",
       "      baby cosmetics   bags  baking powder  bathroom cleaner   beef  berries  \\\n",
       "0              False  False          False             False  False    False   \n",
       "1              False  False          False             False   True    False   \n",
       "2              False  False          False             False  False    False   \n",
       "3              False  False          False             False  False    False   \n",
       "4              False  False          False             False  False    False   \n",
       "...              ...    ...            ...               ...    ...      ...   \n",
       "3893           False  False          False             False  False    False   \n",
       "3894           False  False          False             False  False    False   \n",
       "3895           False  False          False             False  False    False   \n",
       "3896           False  False          False             False  False     True   \n",
       "3897           False  False          False             False  False    False   \n",
       "\n",
       "      ...  turkey  vinegar  waffles  whipped/sour cream  whisky  white bread  \\\n",
       "0     ...   False    False    False               False   False        False   \n",
       "1     ...   False    False    False                True   False         True   \n",
       "2     ...   False    False    False               False   False        False   \n",
       "3     ...   False    False    False               False   False        False   \n",
       "4     ...   False    False    False               False   False        False   \n",
       "...   ...     ...      ...      ...                 ...     ...          ...   \n",
       "3893  ...   False    False    False               False   False        False   \n",
       "3894  ...   False    False    False               False   False        False   \n",
       "3895  ...   False    False    False               False   False        False   \n",
       "3896  ...   False    False    False                True   False        False   \n",
       "3897  ...   False    False    False               False   False        False   \n",
       "\n",
       "      white wine  whole milk  yogurt  zwieback  \n",
       "0          False        True    True     False  \n",
       "1          False        True   False     False  \n",
       "2          False        True   False     False  \n",
       "3          False       False   False     False  \n",
       "4          False        True   False     False  \n",
       "...          ...         ...     ...       ...  \n",
       "3893       False       False   False     False  \n",
       "3894        True        True   False     False  \n",
       "3895       False       False   False     False  \n",
       "3896       False       False    True     False  \n",
       "3897       False       False   False     False  \n",
       "\n",
       "[3898 rows x 167 columns]"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "te = TransactionEncoder()\n",
    "te_ary = te.fit(baskets).transform(baskets)\n",
    "df_one_hot = pd.DataFrame(te_ary, columns=te.columns_)\n",
    "df_one_hot"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>support</th>\n",
       "      <th>itemsets</th>\n",
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       "  <tbody>\n",
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       "      <th>0</th>\n",
       "      <td>0.078502</td>\n",
       "      <td>(UHT-milk)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0.031042</td>\n",
       "      <td>(baking powder)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>0.119548</td>\n",
       "      <td>(beef)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>0.079785</td>\n",
       "      <td>(berries)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>0.062083</td>\n",
       "      <td>(beverages)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>889</th>\n",
       "      <td>0.027963</td>\n",
       "      <td>(whole milk, soda, other vegetables, yogurt)</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>890</th>\n",
       "      <td>0.021293</td>\n",
       "      <td>(tropical fruit, whole milk, other vegetables,...</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>891</th>\n",
       "      <td>0.021036</td>\n",
       "      <td>(sausage, soda, whole milk, rolls/buns)</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>892</th>\n",
       "      <td>0.022832</td>\n",
       "      <td>(sausage, yogurt, whole milk, rolls/buns)</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>893</th>\n",
       "      <td>0.024628</td>\n",
       "      <td>(soda, yogurt, whole milk, rolls/buns)</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>894 rows × 3 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "      support                                           itemsets  length\n",
       "0    0.078502                                         (UHT-milk)       1\n",
       "1    0.031042                                    (baking powder)       1\n",
       "2    0.119548                                             (beef)       1\n",
       "3    0.079785                                          (berries)       1\n",
       "4    0.062083                                        (beverages)       1\n",
       "..        ...                                                ...     ...\n",
       "889  0.027963       (whole milk, soda, other vegetables, yogurt)       4\n",
       "890  0.021293  (tropical fruit, whole milk, other vegetables,...       4\n",
       "891  0.021036            (sausage, soda, whole milk, rolls/buns)       4\n",
       "892  0.022832          (sausage, yogurt, whole milk, rolls/buns)       4\n",
       "893  0.024628             (soda, yogurt, whole milk, rolls/buns)       4\n",
       "\n",
       "[894 rows x 3 columns]"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "frq_items = apriori(df_one_hot, min_support = 0.02, use_colnames = True)\n",
    "frq_items['length'] = frq_items['itemsets'].apply(lambda x: len(x))\n",
    "frq_items"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "ename": "NameError",
     "evalue": "name 'ml_frq_items' is not defined",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-15-72b1d6ca27da>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      3\u001b[0m \u001b[0mml_freq_items\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0mi\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mfrq_items\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mfrq_items\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'length'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m==\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mitemsets\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mvalues\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 5\u001b[0;31m     \u001b[0mml_frq_items\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mextend\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mlist\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mi\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      6\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      7\u001b[0m \u001b[0mml_freq_pairs\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mNameError\u001b[0m: name 'ml_frq_items' is not defined"
     ]
    }
   ],
   "source": [
    "### reformat a little, to put the frozenset into lists\n",
    "\n",
    "ml_freq_items = []\n",
    "for i in frq_items[frq_items['length']==1].itemsets.values:\n",
    "    ml_frq_items.extend(list(i))\n",
    "    \n",
    "ml_freq_pairs = []\n",
    "for i in frq_items[frq_items['length']==2].itemsets.values:\n",
    "    ml_frq_pairs.append(list(i))\n",
    "\n",
    "### check if the frequent itemsets found by ourselves and mlxtend are the same\n",
    "for i in ml_frq_items:\n",
    "    if i not in freq_items:\n",
    "        print(i)\n",
    "        \n",
    "len(ml_frq_pairs)==len(freq_pairs)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "2. the association rules of high confidence with or w/o high lift.  \n",
    "[doc example](https://rasbt.github.io/mlxtend/user_guide/frequent_patterns/association_rules/#association_rules-association-rules-generation-from-frequent-itemsets)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "association_rules(frq_items, metric=\"confidence\", min_threshold=0.6)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "association_rules(frq_items, metric=\"lift\", min_threshold=1.2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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