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