Fiona is high. Fiona is huge. Gary is small. Gary is thin. Bob is kind. Dave is rough. Dave is poor. If someone is not big then they are rough. If someone is not sad then they are smart. If someone is kind then they are wealthy. If someone is wealthy and not dull then they are quiet. If someone is rough and not big then they are bad. If someone is small and thin then they are dull. If someone is dull and not wealthy then they are poor. All smart people are nice. 
Bob is not quiet.