Question: The Nakajima B6N "Tenzan", was the Imperial Japanese Navy's standard carrier-borne torpedo bomber during the final years of which event, an aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft?
{'answer': 'World War II', 'supporting_facts': [['Nakajima B6N', 0], ['Aircraft carrier', 0]]}