Question: The Bushmaster XM-15 series (formerly styled as XM15) is a line of AR-15-pattern semi-automatic rifles, carbines, and pistols manufactured by Bushmaster Firearms International, LLC, based in Madison, North Carolina, in which country?
{'answer': 'United States', 'supporting_facts': [['Bushmaster XM-15', 0], ['Bushmaster Firearms International', 0]]}