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:
club, hero, lettuce, bar, toast

Ex Output:
bar


Ex Input:
dishonest, fair, clime, balanced, alright

Ex Output:
clime


Ex Input:
bee, fly, cockroach, fish, glide

Ex Output:

glide