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: doorstep, community, open-faced, club, hoagie
Example Output: community

Example Input: dull, fine, handsome, detailed, jail time
Example Output: jail time

Example Input: blocking, apron, deck, galley, caution
Example Output:
galley