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: punch, pack, deck, check, fold

SOLUTION: punch

PROBLEM: Category: shady activities 
Words: replace, unwarranted, pie, fudge, unlicensed

SOLUTION: pie

PROBLEM: Category: fried food 
Words: doughnut, blueberry, fritter, waste, croquet

SOLUTION:
waste