Question: Amusement Expo is an annual convention featuring and showcasing vendors, developers and businesses having to do with coin activated amusements such as video arcade machines, electro-mechanical games, ticket/redemption skill and chance games, and jukeboxes, the show is held annually in March at the Las Vegas Convention Center, is owned and operated by the Las Vegas Convention and Visitors Authority in Winchester, which state?
{'answer': 'Nevada', 'supporting_facts': [['Amusement Expo', 1], ['Las Vegas Convention Center', 0]]}