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