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