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, fine, there, handsome, high quality

A: prison
****
Q: fine, prime, arrest, hot, jail time

A: hot
****
Q: melancholy, down, opposite of up, up, flat

A:
melancholy
****