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: weather 
Words: equitable, fair, windy, cold, raining

Output: equitable


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

Output: digger


Input: Consider Input: Category: emotional status 
Words: loveful, emotional, forward, down, emotional supports


Output: forward