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.

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

Ex Output:
up


Ex Input:
Category: moral characteristic 
Words: loyal, fair, honorable, equitable, warm

Ex Output:
warm


Ex Input:
Category: police punishment 
Words: relaxed, firstrate, fine, ticket, money

Ex Output:

relaxed