Question: Kazuo Tsukuda, is the chairman of Mitsubishi Heavy Industries, one of the companies that make up the Mitsubishi Group which accounts for 1.4% of what country's GDP?
Sentence (from "Mitsubishi"): The Mitsubishi Group (三菱グループ , Mitsubishi Gurūpu , also known as the Mitsubishi Group of Companies or Mitsubishi Companies, and informally as the Mitsubishi "Keiretsu") is a group of autonomous Japanese multinational companies in a variety of industries.
Relevant evidence: Yes