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:
bow, draw, galley, deck, crew

Ex Output:
draw


Ex Input:
fudge, banned, brownie, unwarranted, fib

Ex Output:
brownie


Ex Input:
just, warm, sunny, fair, raining

Ex Output:

just