Question: In which city is the main management office of the company that owns J. Walter Thompson located?

Context paragraphs:
Kevin C. Kiley: Major General (Ret.)  Kevin C. Kiley (born October 18, 1950) was the 41st Surgeon General of the United States Army and commander of the U.S. Army Medical Command, Fort Sam Houston, Texas.  He was commander of Walter Reed Army Medical Center and North Atlantic Regional Medical Command twice, from 2002 to 2004, and as acting commander, March 1–2, 2007.  He submitted his request to retire from the U.S. Army on March 11, 2007, in the wake of the Walter Reed Army Medical Center neglect scandal, and was removed from his nominative billet as a Lieutenant General.  Pending retirement, he was assigned to a temporary billet at the General Officer Management Office at the Pentagon in the grade Major General.  His retirement in the grade of Major General was subsequently approved.

Ali (graffiti artist): ALI was the graffiti name of artist and musician Marc André Edmonds, also known as J. Walter Negro, “The Playin’ Brown Rapper.”  As ALI, he is best known as the founder of 'Soul Artists' and originator of the cult of Zoo York.  As "alter-ego" J. Walter Negro (a cynical take-off on the arch-commercialist J. Walter Thompson advertising agency), he is remembered as the lead singer/songwriter of the proto-hip-hop-rap group 'J. Walter Negro and the Loose Jointz', who had some success with their 1981 release "Shoot the Pump".

U.S. Army Special Operations Aviation Command: The United States Army Special Operations Aviation Command (USASOAC) provides command and control, executive oversight, and resourcing of U.S. Army Special Operations Command (USASOC) aviation assets and units in support of national security objectives.  USASOAC is responsible for service and component interface; training, doctrine,and proponency for Army SOA; system integration and fleet modernization; aviation resource management; material readiness; program management; and ASCC oversight.  USASOAC was established March 25, 2011 consisting of 135 headquarters soldiers and subordinate units totaling more than 3,300 personnel, include the 160th Special Operations Aviation Regiment (Airborne), the USASOC Flight Company, the Special Operations Aviation Training Battalion, the Systems Integration Management Office, and the Technology Application Projects Office.  The first commander of USASOAC was Brig Gen. Clayton M.Hutmacher.

J. Walter Thompson: J. Walter Thompson incorporated by James Walter Thompson, in 1896 and formerly an advertising agency, is currently a marketing communications company.  It is owned by WPP plc since 1987.

James Walter Thompson: James Walter Thompson (October 28, 1847 – October 16, 1928) was the founder of the J. Walter Thompson advertising agency and a pioneer of many advertising techniques.

Cultural Center of the Philippines Complex: The Cultural Center of the Philippines Complex, also known as CCP Complex, is an 88 ha reclaimed property along Roxas Boulevard in Metro Manila, Philippines, most of which fall under the jurisdiction of the city of Pasay.  The Cultural Center of the Philippines (CCP) owns 62.4 ha of the land, with the rest being occupied by the Government Service Insurance System, the Bangko Sentral ng Pilipinas, and the Privatization and Management Office.  It is part of Bay City (formerly Boulevard 2000) that spans 1500 ha of reclaimed land along Manila Bay which is occupied by the SM Central Business Park, Philippine National Bank's Financial Center Area, and PAGCOR's Entertainment City, among others.  Development of the complex was stalled until 2000, when the Philippine Supreme Court ruled with finality the CCP's ownership of some 35 ha of prime real estate in the complex.

Local Capital Finance Company: The Local Capital Finance Company is a quango and private company set up to allow local authorities to diversify funding sources and borrow at lower cost, instead of having to borrow via the Public Works Loan Board of the UK Debt Management Office, which in turn is part of HM Treasury.  The official reason for the creation of the Local Capital Finance Company is that it increases competition and diversifies funding sources for local authorities, giving them greater independence.  The company aims to deliver the larger, more liquid bond issues in response to capital market demand.  It also provides a centre of expertise between local authorities and capital markets.  On the other hand, there are fears that it is a means by which the British government can pretend that government debt is lower that it actually is.  While all local government debt, whether sourced from the UK Debt Management Office or the open market, is included within measures of government debt, the force of the criticism is that by the nature of sovereign debt, no private issuer can have a lower risk premium that the sovereign issuer for the jurisdiction of the debt issued.

WPP plc: WPP plc, (Wire and Plastic Products) is a British multinational advertising and public relations company with its main management office in London, England, and its executive office in Dublin, Ireland.  It owns a number of advertising, public relations and market research networks, including IMRB, Millward Brown, Grey, Burson-Marsteller, Hill & Knowlton, JWT, Ogilvy & Mather, TNS, Young & Rubicam and Cohn & Wolfe.

R. K. Swamy: R. K. Swamy (1923–2003) was an Indian advertising industry executive.  He was involved in the setting up J. Walter Thompson's Indian associate Hindustan Thompson Associates and of R. K. Swamy Advertising Associates which later merged into BBDO to form the Indian associate RK Swamy BBDO.  Swamy was involved in making Madras an important location for the advertising industry.  Swamy was also at the helm of various industry bodies, the Audit Bureau of Circulations and Advertising Agencies Association of India among them.  He also started Hansa Vision, a television programming company.

Shoshone Cavern National Monument: Shoshone Cavern National Monument was proclaimed by William Howard Taft on September 21, 1909.  On March 17, 1954, the 83rd Congress abolished the monument and transferred the 210 acre site to the city of Cody, Wyoming.  The cavern is located high up near the summit of Cedar Mountain, about 4 miles from Cody on the south side of the Shoshone River.  The main cavern follows a fairly straight course, extending into the mountain about 2500 ft .  The walls of the cavern are well covered by incrustations of crystals and dripping formations, mostly white, but some brownish or reddish in color.  As of 2008, the cavern is owned by the Bureau of Land Management and is now called Spirit Mountain Cave.  A permit is required to visit Spirit Mountain Cave.  To obtain permits to visit the cave contact Bureau of Land Management office in the Cody WY.

Supporting paragraphs: J. Walter Thompson WPP plc
Answer: London