With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tokyo was the headquarters of Tokugawa Ieyasu.
text_B: Tokyo -LRB- -LSB- toːkjoː -RSB- , -LSB- langˈtoʊki.oʊ -RSB- -RRB- , officially Tokyo Metropolis , is the capital of Japan and one of its 47 prefectures .. Metropolis. Prefectures of Japan. Japan. Japan. Tokyo. Special wards of Tokyo. prefectures. Prefectures of Japan. The Greater Tokyo Area is the most populous metropolitan area in the world .. Tokyo. Special wards of Tokyo. Greater Tokyo Area. Greater Tokyo Area. most populous metropolitan area. List of metropolitan areas by population. It is the seat of the Emperor of Japan and the Japanese government .. Japan. Japan. Emperor of Japan. Emperor of Japan. Japanese government. Government of Japan. Tokyo is in the Kanto region on the southeastern side of the main island Honshu and includes the Izu Islands and Ogasawara Islands .. Kanto. Kanto region. Honshu. Honshu. Tokyo. Special wards of Tokyo. Kanto region. Kanto region. Izu Islands. Izu Islands. Ogasawara Islands. Ogasawara Islands. Formerly known as Edo , it has been the de facto seat of government since 1603 when Shogun Tokugawa Ieyasu made the city his headquarters .. Edo. Edo. seat of government. seat of government. Shogun. Shogun. Tokugawa Ieyasu. Tokugawa Ieyasu. It officially became the capital after Emperor Meiji moved his seat to the city from the old capital of Kyoto in 1868 ; at that time Edo was renamed Tokyo .. Tokyo. Special wards of Tokyo. Edo. Edo. Emperor Meiji. Emperor Meiji. Kyoto. Kyoto. Tokyo Metropolis was formed in 1943 from the merger of the former and the .. Metropolis. Prefectures of Japan. Tokyo. Special wards of Tokyo. Tokyo is often referred to as a city , but is officially known and governed as a `` metropolitan prefecture '' , which differs from and combines elements of a city and a prefecture , a characteristic unique to Tokyo .. Tokyo. Special wards of Tokyo. The Tokyo metropolitan government administers the 23 Special Wards of Tokyo -LRB- each governed as an individual city -RRB- , which cover the area that was the City of Tokyo before it merged and became the metropolitan prefecture in 1943 .. Tokyo. Special wards of Tokyo. 23 Special Wards of Tokyo. Special wards of Tokyo. The metropolitan government also administers 39 municipalities in the western part of the prefecture and the two outlying island chains .. municipalities. Municipalities of Japan. The population of the special wards is over 9 million people , with the total population of the prefecture exceeding 13 million .. The prefecture is part of the world 's most populous metropolitan area with upwards of 37.8 million people and the world 's largest urban agglomeration economy .. most populous metropolitan area. List of metropolitan areas by population. The city hosts 51 of the Fortune Global 500 companies , the highest number of any city in the world .. Fortune Global 500. Fortune Global 500. Tokyo ranked third in the International Financial Centres Development IndexEdit .. Tokyo. Special wards of Tokyo. International Financial Centres Development IndexEdit. Financial centre. The city is also home to various television networks such as Fuji TV , Tokyo MX , TV Tokyo , TV Asahi , Nippon Television , NHK and the Tokyo Broadcasting System .. Tokyo. Special wards of Tokyo. Fuji TV. Fuji TV. Tokyo MX. Tokyo MX. TV Tokyo. TV Tokyo. TV Asahi. TV Asahi. Nippon Television. Nippon Television. NHK. NHK. Tokyo Broadcasting System. Tokyo Broadcasting System. Tokyo ranked first in the Global Economic Power Index and fourth in the Global Cities Index .. Tokyo. Special wards of Tokyo. Global Economic Power Index. Global city. Global Cities Index. Global city. The city is considered an alpha + world city -- as listed by the GaWC 's 2008 inventory -- and in 2014 , Tokyo was ranked first in the `` Best overall experience '' category of TripAdvisor '' 's World City Survey -LRB- the city also ranked first in the following categories  : `` helpfulness of locals '' , `` nightlife '' , `` shopping '' , `` local public transportation '' and `` cleanliness of streets '' -RRB- .. Tokyo. Special wards of Tokyo. GaWC. Globalization and World Cities Research Network. TripAdvisor. TripAdvisor. In 2015 , Tokyo was ranked as the 11th most expensive city for expatriates , according to the Mercer consulting firm , and also the world 's 11th most expensive city , according to the Economist Intelligence Unit 's cost-of-living survey .. Tokyo. Special wards of Tokyo. most expensive city. List of most expensive cities for expatriate employees. Mercer. Mercer ( consulting firm ). Economist Intelligence Unit. Economist Intelligence Unit. In 2015 , Tokyo was named the Most Liveable City in the world by the magazine Monocle '' .. Tokyo. Special wards of Tokyo. Monocle. Monocle ( lifestyle magazine ). The Michelin Guide has awarded Tokyo by far the most Michelin stars of any city in the world .. Tokyo. Special wards of Tokyo. Michelin Guide. Michelin Guide. Tokyo ranked first in the world in the Safe Cities Index .. Tokyo. Special wards of Tokyo. The 2016 edition of QS Best Student Cities ranked Tokyo as the 3rd-best city in the world to be a university student .. Tokyo. Special wards of Tokyo. Tokyo hosted the 1964 Summer Olympics , the 1979 G-7 summit , the 1986 G-7 summit , and the 1993 G-7 summit , and will host the 2020 Summer Olympics and the 2020 Summer Paralympics .. Tokyo. Special wards of Tokyo. 1964 Summer Olympics. 1964 Summer Olympics. 1979 G-7 summit. 5th G7 summit. 1986 G-7 summit. 12th G7 summit. 1993 G-7 summit. 19th G7 summit. 2020 Summer Olympics. 2020 Summer Olympics. 2020 Summer Paralympics. 2020 Summer Paralympics
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