Question: The pepperoni roll is a snack popular in West Virginia and some nearby regions of the Appalachian Mountains such as Appalachian Ohio is a bioregion and political unit in the southeastern part of the state of Ohio, characterized by the western foothills of the Appalachian Mountains, and Appalachian Plateau, in which country?
{'answer': 'U.S.', 'supporting_facts': [['Pepperoni roll', 0], ['Appalachian Ohio', 0]]}