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