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: police punishment 
Words: comfortable, money, fine, prison, jail time

SOLUTION: comfortable

PROBLEM: Category: aesthetic characteristic 
Words: loyal, medium, ghostly, tone, fair

SOLUTION: loyal

PROBLEM: Category: emotional status 
Words: firstrate, fine, comfortable, well, ok

SOLUTION:
firstrate