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