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