Does 'The flight attendant reported that the flight had been hijacked, both pilots had been killed, a flight attendant had been stabbed, and the hijackers were probably flying the plane.' provide a contradiction to the established premise 'Both pilots put up a heroic struggle before being killed.'
The flight attendant reported that the flight had been hijacked, both pilots had been killed, a flight attendant had been stabbed, and the hijackers were probably flying the plane.###Both pilots put up a heroic struggle before being killed.