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: arrest, fine, ticket, beautiful, custody

A: beautiful
****
Q: blow, waste away, fritter, dally, croquet

A: croquet
****
Q: picnic, open-faced, club, grilled cheese, lettuce

A:
picnic
****