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