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