Question: The Imperator-class ocean liners were a series of three ocean liners designed for the Hamburg America Line, which included the RMS Majestic, originally launched in 1914 as the SS what?
{'answer': 'Bismarck', 'supporting_facts': [['Imperator-class ocean liner', 0], ['Imperator-class ocean liner', 2], ['RMS Majestic (1914)', 0]]}