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:
money, fine, jail time, there, custody

Ex Output:
there


Ex Input:
flap, glide, fly, train, bats

Ex Output:
bats


Ex Input:
kid, fawn, cajole, woods, bambi

Ex Output:

cajole