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 "Kazuo Tsukuda"): Kazuo Tsukuda (佃 和夫 , Tsukuda Kazuo ) is the chairman of Mitsubishi Heavy Industries, one of the core companies of the Mitsubishi Group.
Relevant evidence: Yes