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:
canvas, deck, corner, apron, queen

Ex Output:
queen


Ex Input:
sausage, hot dog, concise, frank, weenie

Ex Output:
concise


Ex Input:
dull, neat, classy, fine, wispy

Ex Output:

wispy