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:
dull, fine, handsome, detailed, jail time

Ex Output:
jail time


Ex Input:
regular, general, captain, ubiquitous, popular

Ex Output:
captain


Ex Input:
raft, fish, canoe, row, goat

Ex Output:

goat