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