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.

Input: Consider Input: Category: moral characteristic 
Words: unprejudiced, unjust, milky, ok, fair

Output: milky


Input: Consider Input: Category: emotional status 
Words: down, remorseful, up, emotional supports, shameful

Output: up


Input: Consider Input: Category: moral characteristic 
Words: fair, trustworthy, impartial, fine, variety


Output: variety