Utilize the input text as a context reference, choose the right relationship between Keio and Tokyo from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Monday, September 28, 2015 4:21PM IST (10:51AM GMT) (BW)(KEIO-PLAZA-HOTEL) Keio Plaza Hotel Tokyo Starts a New Service:Providing Opportunity for Guests to Wear a Genuine Japanese Wedding Kimono Tokyo, Japan Keio Plaza Hotel (KPH) will begin offering our guests the opportunity to wear Japanese kimono adorned by brides and grooms in traditional weddings and to take pictures wearing these kimonos from October 15 th .

Answer: location_of_formation