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