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: direction 
Words: down, lower, emotional upsets, below, falling

SOLUTION: emotional upsets

PROBLEM: Category: baby animals 
Words: buck, bambi, lust, fawn, deer

SOLUTION: lust

PROBLEM: Category: chocolate food 
Words: brownie, cookies, fudge, fix, cupcake

SOLUTION:
fix