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:
cow, fish, dog, sea turtle, hunt

Ex Output:
hunt


Ex Input:
level, corner, chips, deck, caution

Ex Output:
chips


Ex Input:
deck, corner, draw, tko, glove

Ex Output:

draw