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