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: impartial, 70, warm, fair, luke

Output: impartial


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

Output: pack


Input: Consider Input: Category: baby animals 
Words: antling, buck, cajole, fawn, woods


Output: cajole