Erin is strong. Erin is high. Dave is short. Dave is small. Harry is nice. Anne is rough. Anne is poor. If someone is not big then they are rough. If someone is not bad then they are quiet. If someone is nice then they are kind. If someone is kind and not sad then they are smart. If someone is rough and not big then they are dull. If someone is short and small then they are sad. If someone is sad and not kind then they are poor. All quiet people are wealthy. 
Harry is not smart.