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