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:
draw, deck, call, gunwale, blind

Ex Output:
gunwale


Ex Input:
firm, tough, solid, hard, streamline

Ex Output:
streamline


Ex Input:
there, detached, fine, alright, calm

Ex Output:

there