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:
well, honorable, sunny, fair, dishonest

Ex Output:
sunny


Ex Input:
annoyed, alright, fine, comfortable, dull

Ex Output:

dull