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: ostrich, hoist, egret, crane, parrot

Output: hoist


Input: Consider Input: jog, fly, swim, run, drive

Output: run


Input: Consider Input: blackjack, wine, uno, spider, gin


Output: wine