Question: Which of the following writers is regarded as the "Father of the Japanese short story": Ryūnosuke Akutagawa or Andrew Vachss?
{'answer': 'Ryūnosuke Akutagawa', 'supporting_facts': [['Ryūnosuke Akutagawa', 0], ['Ryūnosuke Akutagawa', 1], ['Andrew Vachss', 0]]}