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