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