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