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