Alan is big. Alan is high. Gary is small. Gary is little. Bob is nice. Erin is sad. Erin is bad. If someone is not strong then they are sad. If someone is not rough then they are kind. If someone is nice then they are wealthy. If someone is wealthy and not poor then they are smart. If someone is sad and not strong then they are dull. If someone is small and little then they are poor. If someone is poor and not wealthy then they are bad. All kind people are quiet. 
Bob is not smart.