Alan is strong. Alan is big. Harry is small. Harry is short. Bob is wealthy. Dave is sad. Dave is rough. If someone is not high then they are sad. If someone is not poor then they are quiet. If someone is wealthy then they are smart. If someone is smart and not dull then they are nice. If someone is sad and not high then they are bad. If someone is bad then they are little. All little people are tiny. If someone is small and short then they are dull. If someone is dull and not smart then they are rough. If someone is rough then they are young. If someone is young then they are energetic. If someone is quiet then they are kind. If someone is kind then they are clever. All clever people are smart. If someone is nice then they are experienced. All experienced people are old.
Dave is smart.