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, melancholy, below, loveful, kind

Ex Output:
below


Ex Input:
Category: social gathering 
Words: group, dance hall, clan, club, dagwood

Ex Output:
dagwood


Ex Input:
Category: emotional status 
Words: fine, exquisite, comfortable, acceptable, annoyed

Ex Output:

exquisite