Erin is big. Erin is high. Dave is small. Dave is little. Harry is quiet. Charlie is dull. Charlie is sad. If someone is not strong 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 wealthy. If someone is dull and not strong then they are poor. If someone is small and little then they are bad. If someone is bad and not nice then they are sad. All kind people are smart. 
Charlie is smart.