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:
falsification, banned, mangle, chocolate cake, fudge

Ex Output:
chocolate cake


Ex Input:
precise, integrity, frank, cheese, brash

Ex Output:
cheese


Ex Input:
salt, pasty, thin, heavy, fat

Ex Output:

salt