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.

Example Input: money, fine, jail time, there, custody
Example Output: there

Example Input: corner, ring, crew, deck, apron
Example Output: crew

Example Input: sea turtle, dolphin, horse, fish, kayak
Example Output:
kayak