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:
goodies, wienerwurst, frank, hot dog, brash

Ex Output:
brash


Ex Input:
honorable, medium, trustworthy, fair, balanced

Ex Output:
medium


Ex Input:
level, fine, handsome, alright, pretty

Ex Output:

alright