Bob is high. Bob is strong. Gary is thin. Gary is little. Dave is kind. Harry is rough. Harry is sad. If someone is not big then they are rough. If someone is not poor then they are wealthy. If someone is kind then they are smart. If someone is smart and not dull then they are nice. If someone is rough and not big then they are bad. If someone is thin and little then they are dull. If someone is dull and not smart then they are sad. All wealthy people are quiet. 
Dave is not nice.