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.

Input: Consider Input: Category: boxing terminology 
Words: pack, level, deck, corner, jab

Output: pack


Input: Consider Input: Category: aesthetic characteristic 
Words: ticket, fine, bright, detailed, exquisite

Output: ticket


Input: Consider Input: Category: chocolate food 
Words: tart, fudge, brownie, rich, invent


Output: invent