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