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