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