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: round, duplex, flat, smooshed, townhome

A: smooshed
****
Q: forward, opposite of up, unhappy, downward, down

A: unhappy
****
Q: suspension, fine, jail, content, flyaway

A:
content
****