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:
blunt, sausage, hot dog, frank, wienerwurst

Ex Output:
blunt


Ex Input:
flaxen, texture, alright, fair, even

Ex Output:
alright


Ex Input:
nervous, item, content, sad, joyful

Ex Output:

item