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, gunwale, crew, deck, blocking

Ex Output:
blocking


Ex Input:
dangle, fly, bee, bats, bike

Ex Output:
bike


Ex Input:
warm, texture, sunny, brisk, fair

Ex Output:

texture