Gary is huge. Gary is strong. Charlie is short. Charlie is thin. Anne is smart. Bob is rough. Bob is dull. If someone is not high then they are rough. If someone is not poor then they are wealthy. If someone is smart then they are kind. If someone is kind and not sad then they are nice. If someone is rough and not high then they are bad. If someone is short and thin then they are sad. If someone is sad and not kind then they are dull. All wealthy people are quiet. 
Charlie is not dull.