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