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