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