Question: ACES II is an ejection seat system manufactured by the United Technologies Aerospace Systems (UTAS) division of the United Technologies Corporation (UTC), it is used in which supersonic variable-sweep wing, heavy bomber used by the United States Air Force (USAF)?
{'answer': 'Rockwell B-1 Lancer', 'supporting_facts': [['ACES II', 2], ['Rockwell B-1 Lancer', 0]]}