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