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