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: shady activities 
Words: falsehood, banned, heavy, unlicensed, fudge

Ex Output:
heavy


Ex Input:
Category: elements 
Words: fire, earth, water, blaze, recruit

Ex Output:
recruit


Ex Input:
Category: boxing terminology 
Words: joker, fight, corner, glove, deck

Ex Output:

joker