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: variety, endure, level, fair, milky

Output: endure


Input: Consider Input: answer, answer calls, space, file, schedule

Output: space


Input: Consider Input: fix, truffles, banned, fudge, invent


Output: truffles