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