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:
flap, glide, fly, train, bats

Ex Output:
bats


Ex Input:
fawn, flatter, identity, follow, antling

Ex Output:

antling