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: poker 
Words: fold, blind, deck, draw, box

Output: box


Input: Consider Input: Category: physical property 
Words: large, obese, fat, chunky, fiber

Output: fiber


Input: Consider Input: Category: body part 
Words: foot, ear, heel, eye, yard


Output: yard