Question: What is the main occupation of Hiroshi Sakaguchi, founder of Ki Arts, a traditional Japanese company in Northern California and who features in the 2010 documentary film directed by Tao Ruspoli, based on Martin Heidegger's philosophy?
{'answer': 'carpenter', 'supporting_facts': [['Hiroshi Sakaguchi', 0], ['Hiroshi Sakaguchi', 1], ['Being in the World', 0], ['Being in the World', 1]]}