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