[ capword ( year ) ] sp capword sp capword sp ( othword . ) . sp capword sp capword sp othword sp capword sp capword sp num : sp capword sp othword sp smallet sp capword , capword sp capword sp othword sp capword sp capword sp num , sp capword , sp capword , sp num - num sp capword sp year , othword sp num sp othword sp upword sp capword sp ( upword , sp year ) . sp upword sp num .