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: blunt, sausage, hot dog, frank, wienerwurst
Example Output: blunt

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

Example Input: fall, jump, autumn, run, tumble
Example Output:
autumn