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: fried food 
Words: apple, whittle, dumpling, fritter, pie

SOLUTION: whittle

PROBLEM: Category: chocolate food 
Words: brownie, loosen, chocolate cake, fudge, molasses

SOLUTION: loosen

PROBLEM: Category: kitchenware 
Words: knife, dish, metal, glass, knifer

SOLUTION:
metal