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: weather 
Words: sunny, alright, deal, fair, tangle

Ex Output:
alright


Ex Input:
Category: boxing terminology 
Words: deck, gunwale, level, tko, jab

Ex Output:
gunwale


Ex Input:
Category: moral characteristic 
Words: just, fair, loyal, equitable, variety

Ex Output:

variety