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