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:
penalty, handsome, suspension, hearing, fine

Ex Output:
handsome


Ex Input:
bow, draw, galley, deck, crew

Ex Output:
draw


Ex Input:
corporation, firm, alignment, taut, leverage

Ex Output:

taut