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