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: chocolate food 
Words: fudge, cream, replace, cookies, brownies

Output: replace


Input: Consider Input: Category: bird 
Words: ostrich, digger, sandpiper, crane, goose

Output: digger


Input: Consider Input: Category: physical property 
Words: chunky, large, fat, sugars, bulky


Output: sugars