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: weather 
Words: equitable, fair, windy, cold, raining

SOLUTION: equitable

PROBLEM: Category: aesthetic characteristic 
Words: size, alright, even, variety, fair

SOLUTION: alright

PROBLEM: Category: emotional status 
Words: miserable, down, disgusted, melancholy, opposite of up

SOLUTION:
opposite of up