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.

Ex Input:
team, french toast, club, bacon, hamburger

Ex Output:
team


Ex Input:
swallow, heron, crane, flamingo, tackle

Ex Output:
tackle


Ex Input:
tone, fair, endure, even, texture

Ex Output:

endure