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: shady activities 
Words: falsehood, banned, heavy, unlicensed, fudge

Output: heavy


Input: Consider Input: Category: physical property 
Words: thin, brittleness, heavy, angular momentum, fat

Output: heavy


Input: Consider Input: Category: animal 
Words: shark, climbing, whale, sea turtle, fish


Output: climbing