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: descending, disgusted, down, miserable, emotional

Ex Output:
descending


Ex Input:
Category: ocean 
Words: up to the moment, tide, current, jetstream, brine

Ex Output:
up to the moment


Ex Input:
Category: moral characteristic 
Words: provision, fortitude, frank, brash, honest

Ex Output:

provision