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