Considering the premise 'At 9:44, NORAD briefed the conference on the possible hijacking of Delta 1989.', is 'NORAD spoke to the conference concerning a possible hijacking of Delta 1989.' a statement that stands on its own?
At 9:44, NORAD briefed the conference on the possible hijacking of Delta 1989.###NORAD spoke to the conference concerning a possible hijacking of Delta 1989.