Question: An amusement ride that is also known as the Starship, is a modicfication of a ride that was  first demonstrated at Oktoberfest 1949 and was desgned by who?,
{'answer': 'Ernst Hoffmeister', 'supporting_facts': [['Gravitron', 0], ['Gravitron', 2], ['Rotor (ride)', 0], ['Rotor (ride)', 1]]}