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:
size, equitable, fair, alright, fine

Ex Output:
size


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

Ex Output:
brownie


Ex Input:
strap lock, output cord, emotional supports, fret, neck

Ex Output:

emotional supports