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: club, open-faced, bacon, french toast, dance hall
Example Output: dance hall

Example Input: gunwale, deck, punch, sail, bow
Example Output: punch

Example Input: danish, fritter, croquet, fried, lollygag
Example Output:
lollygag