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:
big boned, vitamin c, fiber, sugar, fat

Ex Output:
big boned


Ex Input:
texture, deal, fair, cold, sunny

Ex Output:
texture


Ex Input:
attractive, fine, level, money, classy

Ex Output:

money