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: poker 
Words: blind, chips, queen, gunwale, deck

Ex Output:
gunwale


Ex Input:
Category: direction 
Words: kind, descending, down, opposite of up, flat

Ex Output:
kind


Ex Input:
Category: emotional display 
Words: follow, fawn, cute, woods, cajole

Ex Output:

woods