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