-------- cities -----------------------
['Recife', 'Belem']
-------- products ---------------------
Number of products: 12
['beans', 'bread', 'banana', 'cheese', 'chicken', 'egg', 'grapes', 'garlic', 'lettuce', 'milk', 'oil', 'rice']
-------- transactions -----------------
Number of transactions: 5
[1, ['oil', 'cheese', 'banana', 'egg', 'chicken', 'garlic']]
[2, ['oil', 'cheese', 'milk', 'egg']]
[3, ['oil', 'bread', 'egg']]
[4, ['cheese', 'egg', 'rice']]
[5, ['cheese', 'lettuce', 'egg', 'oil', 'beans', 'grapes', 'chicken']]
-------- support ----------------------
['cheese', 'egg', 4]
['egg', 'oil', 4]
['cheese', 'oil', 3]
['cheese', 'chicken', 2]
['chicken', 'egg', 2]
['chicken', 'oil', 2]
['beans', 'cheese', 1]
['beans', 'chicken', 1]
['beans', 'egg', 1]
['beans', 'grapes', 1]
['beans', 'lettuce', 1]
['beans', 'oil', 1]
['bread', 'egg', 1]
['bread', 'oil', 1]
['banana', 'cheese', 1]
['banana', 'chicken', 1]
['banana', 'egg', 1]
['banana', 'garlic', 1]
['banana', 'oil', 1]
['cheese', 'grapes', 1]
['cheese', 'garlic', 1]
['cheese', 'lettuce', 1]
['cheese', 'milk', 1]
['cheese', 'rice', 1]
['chicken', 'grapes', 1]
['chicken', 'garlic', 1]
['chicken', 'lettuce', 1]
['egg', 'grapes', 1]
['egg', 'garlic', 1]
['egg', 'lettuce', 1]
['egg', 'milk', 1]
['egg', 'rice', 1]
['grapes', 'lettuce', 1]
['grapes', 'oil', 1]
['garlic', 'oil', 1]
['lettuce', 'oil', 1]
['milk', 'oil', 1]