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