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:
gunwale, stern, deck, box, bow

Ex Output:
box


Ex Input:
stern, frank, weenie, harsh, concise

Ex Output:
weenie


Ex Input:
handsome, high quality, alright, fine, pretty

Ex Output:

alright