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: fair, raining, trustworthy, endure, 70
Example Output: trustworthy

Example Input: deck, knockout, bow, sail, rudder
Example Output: knockout

Example Input: club, burger, hero, place, french toast
Example Output:
place