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: moral characteristic 
Words: even, equitable, unprejudiced, fair, impartial

Ex Output:
even


Ex Input:
Category: emotional status 
Words: down, melancholy, below, loveful, kind

Ex Output:
below


Ex Input:
Category: widespread 
Words: normal, average, ubiquitous, general, captain

Ex Output:

captain