Erin is big. Erin is high. Dave is thin. Dave is small. Gary is smart. Anne is sad. Anne is poor. If someone is not huge then they are sad. If someone is not dull then they are quiet. 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 quiet people are wealthy. 
Dave is poor.