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