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