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: food 
Words: meat, weenie, loyalty, frank, vittles

Output: loyalty


Input: Consider Input: Category: animal 
Words: cockroach, leap, drive, swim, fly

Output: drive


Input: Consider Input: Category: animal 
Words: horse, cat, row, fish, hamster


Output: row