TASK DEFINITION: Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
PROBLEM: Category: poker 
Words: chips, punch, deck, draw, queen

SOLUTION: punch

PROBLEM: Category: poker 
Words: fold, blind, deck, draw, box

SOLUTION: box

PROBLEM: Category: body part 
Words: mile, heel, ankle, ear, foot

SOLUTION:
mile