Given the question: Information:  - History. Yoshimoto is said to be almost single-handedly responsible for the development of Japanese manzai after World War II and, in fact, the kanji that are now used for the word "manzai" were introduced by Yoshimoto in 1933, spelling a new era for the comedy style. Although pure "manzai" is no longer the dominant form of entertainment in Japan, Yoshimoto's influence remains and the spirit of "manzai" lives on in modern Japanese comedy, as can be seen by the prevalence of the Kansai dialect in many "owarai" productions.  - The Canton of Vaud is the third largest of Swiss cantons by population and fourth by size. It is located in Romandy, the French-speaking western part of the country, and borders the canton of Neuchâtel to the north, the cantons of Fribourg and Bern to the east, Valais and Lake Geneva to the south, the canton of Geneva to the south-west and France (Bourgogne-Franche-Comté) to the west.  - The is a group of Japanese dialects in the Kansai region (Kinki region) of Japan. In Japanese, "Kansai-ben" is the common name and it is called in technical terms. The dialects of Kyoto and Osaka, especially in the Edo period, are also called . The Kansai dialect is typified by the speech of Osaka, the major city of Kansai, which is referred to specifically as Osaka-ben. It is characterized as being both more melodic and harsher by speakers of the standard language.  - Vevey is a town in Switzerland in the canton Vaud, on the north shore of Lake Geneva, near Lausanne.  - Baidu, Inc. (anglicized ""), incorporated on January 18, 2000, is a Chinese web services company headquartered at the Baidu Campus in Beijing's Haidian District. It is one of the largest Internet companies in the world.  - General Motors Company, commonly known as GM, is an American multinational corporation headquartered in Detroit, Michigan, that designs, manufactures, markets, and distributes vehicles and vehicle parts, and sells financial services. The current company, General Motors Company LLC ("new GM"), was formed in 2009 following the bankruptcy of General Motors Corporation ("old GM"), which became Motors Liquidation Company. The new company purchased the majority of the assets of the old GM, including the brand "General Motors".  - Nobuyuki Idei (   , Idei Nobuyuki ; born November 22 , 1937 ) was a former Chairman and Group Chief Executive Officer of Sony Corporation until the 7th March 2005 . He is also a director of General Motors , Baidu , Yoshimoto Kogyo and Nestlé . After a stroke sidelined former chairman Akio Morita , Sony CEO and new chairman Norio Ohga selected Idei to be the next president , a choice that raised eyebrows at Sony . His sweeping reorganizations of the company included trimming the board of directors from 38 members dominated by company management to 10 with a substantial presence of outsiders . Already perceived as the company 's driving force , Idei was formally named co-CEO in 1998 and sole CEO in 1999 . In 2000 , while Ohga remained Chairman of the Board , Idei became Executive Chairman and Kunitake And became president . In 2003 , on Ohga 's retirement , Idei became the sole Chairman , and the title of Chief Executive Officer was altered to Group Chief Executive Officer . On March 7 , 2005 , it was announced that Idei would be succeeded on June 22 by Sir Howard Stringer . In 2006 , Idei joined the board leading Accenture . On September 28 , 2011 , Idei joined the Board of Directors of Lenovo . On July 15 , 2014 , Idei joined the Board of Directors of ZL Technologies . ZL Technologies ' CEO Kon Leong noted that `` Mr. Idei joins an advisory board at ZL represented by thought - leaders from diverse backgrounds and industries . ZL Technologies ' visionary approach of enabling total information governance of corporate data to reduce risks and improve strategic performance is rapidly gaining traction among the world 's largest enterprises . We are excited to welcome Mr. Idei , who ranks among the top strategic advisors in the business world . '' On February 5 , 2015 Idei retired from Accenture 's board of directors .  - Detroit is the most populous city in the U.S. state of Michigan, the fourth-largest city in the Midwest and the largest city on the United StatesCanada border. It is the seat of Wayne County, the most populous county in the state.  - Motors Liquidation Company (formerly General Motors Corporation) was the company left to settle past liability claims from Chapter 11 reorganization of American car manufacturer General Motors. It exited bankruptcy on March 31, 2011 only to be carved into four trusts; the first to settle the claims of unsecured creditors, the second to handle environmental response for MLC's remaining assets, a third to handle present and future asbestos-related claims, and a fourth for litigation claims.  - Beijing (formerly romanised as Peking) is the capital of the People's Republic of China and the world's third most populous city proper. It is also one of the world's most populous capital cities. The city, located in northern China, is governed as a direct-controlled municipality under the national government with 16 urban, suburban, and rural districts. Beijing Municipality is surrounded by Hebei Province with the exception of neighbouring Tianjin Municipality to the southeast; together the three divisions form the Jingjinji metropolitan region and the national capital region of China.  - Nestlé S.A. is a Swiss transnational food and drink company headquartered in Vevey, Vaud, Switzerland. It has been the largest food company in the world, measured by revenues and other metrics, for 2014, 2015, and 2016. It ranked No. 72 on the Fortune Global 500 in 2014 and No. 33 on the 2016 edition of the Forbes Global 2000 list of largest public companies.    After reading the paragraphs above, we are interested in knowing the entity with which 'nobuyuki idei' exhibits the relationship of 'country of citizenship'. Find the answer from the choices below.  Choices: - american  - canada  - canton of geneva  - japan  - republic of china  - switzerland
The answer is:
japan