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