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: probation, ticket, exquisite, suspension, fine
Example Output: exquisite

Example Input: deal, 70, equitable, fair, raining
Example Output: equitable

Example Input: glove, sail, deck, bridge, stern
Example Output:
glove