Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Input: Consider Input: deal, fair, endure, windy, ghostly

Output: ghostly


Input: Consider Input: canvas, blocking, deck, sail, corner

Output: sail


Input: Consider Input: hull, sail, deck, chips, stern


Output: chips