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: date status 
Words: current, delayed, postponed, brine, late

Ex Output:
brine


Ex Input:
Category: poker 
Words: fold, blind, deck, draw, box

Ex Output:
box


Ex Input:
Category: computers 
Words: software, type, motherboard, file, keys

Ex Output:

type