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.

Q: prison, mad, arrest, fine, wispy

A: mad
****
Q: deck, dock, galley, joker, hull

A: joker
****
Q: schedule, file, answer calls, correspondence, ram

A:
ram
****