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: construction 
Words: windlass, crane, hoist, digger, upraise

SOLUTION: hoist

PROBLEM: Category: personal characteristic 
Words: freezing, calm, positive, cool, popular

SOLUTION: freezing

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

SOLUTION:
whittle