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