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

SOLUTION: pie

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

SOLUTION: freezing

PROBLEM: Category: emotional status 
Words: content, sad, panicked, activity, excited

SOLUTION:
activity