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