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