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: flyaway, penalty, prime, fine, comfortable

A: comfortable
****
Q: mad, beautiful, comfortable, fine, relaxed

A: beautiful
****
Q: light, unprejudiced, honorable, fair, unjust

A:
light
****