In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.

Input: Consider Input: Context_1 : Shuangcheng District () is one of nine districts of Harbin, the capital of Heilongjiang province, People's Republic of China, covering part of the southwestern suburbs. It sits approximately 42 km south-southwest of downtown Harbin. Formerly a county-level city until 15 May 2014. The westernmost county-level division of Harbin City, it borders Daoli District to the north, Nangang and Pingfang Districts to the northeast, Acheng District to the east, and Wuchang to the southeast, as well as the Jilin prefecture-level divisions of Changchun to the south and Songyuan to the southwest. Context_2 : Nangang District () is one of nine districts of Harbin, the capital of Heilongjiang province, People's Republic of China, forming part of the city's urban core. It is home to major offices of the provincial government and is the political heart of Heilongjiang province. Other areas of interest within the district are the Harbin Railway Station, Guomao underground shopping street, a Confucian temple and the Buddhist Jile Temple. By far the most populous and densely populated of Harbin's county-level divisions, it borders the districts of Daowai and Xiangfang to the northeast, Pingfang to the southeast, Shuangcheng to the south, and Daoli to the west. A new subway system is also being built currently. Context_3 : Xiangfang District () is one of nine districts of Harbin, the capital of Heilongjiang province, China. It is an urban district in the pre-1940 part of Harbin, bordering the districts of Daowai to the north, Acheng to the southeast, Pingfang to the southwest, and Nangang to the west. It is an industrialized area, and contains the main scientific, technological and industrial zones of the city. The Harbin Development Zone is in the district. Context_4 : Unit 731 (Japanese: 731部隊 , Hepburn: Nana-san-ichi Butai ) was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that undertook lethal human experimentation during the Second Sino-Japanese War (1937–1945) of World War II. It was responsible for some of the most notorious war crimes carried out by Japan. Unit 731 was based at the Pingfang district of Harbin, the largest city in the Japanese puppet state of Manchukuo (now Northeast China). Context_5 : Pingfang Railway Station is a railway station of Lafa–Harbin Railway and located in the Pingfang District of Harbin, Heilongjiang province, China. Context_6 : Pingfang District () is one of nine districts of Harbin, the capital of Heilongjiang province, People's Republic of China, forming part of the city's urban core. The least spacious of Harbin's county-level divisions, it borders the districts of Xiangfang to the north, Acheng to the east, Shuangcheng to the southwest, and Nangang to the west. Context_7 : The American cover-up of Japanese war crimes occurred after the end of World War II, when the occupying US government granted political immunity to military personnel who had engaged in human experimentation and other crimes against humanity, predominantly in mainland China. The pardon of Japanese war criminals, among whom were Unit 731's commanding officers General Shiro Ishii and General Masaji Kitano, was overseen by General of the Army Douglas MacArthur in September 1945. While a series of war tribunals and trials was organized, many of the high-ranking officials and doctors who devised and respectively performed the experiments were pardoned and never brought to justice. As many as 12,000 people, most of them Chinese, died in Unit 731 alone and many more died in other facilities, such as Unit 100 and in field experiments throughout Manchuria. Context_8 : Harbin Aircraft Industry (Group) Co., Ltd. (HAIG), often shortened to Hafei (), is an aircraft manufacturing company headquartered in Pingfang District, Harbin, Heilongjiang province, China. It was previously called Harbin Aircraft Manufacturing Corporation (HAMC) in English. Context_9 : Surgeon General Shirō Ishii (石井 四郎 , Ishii Shirō , ; June 25, 1892 – October 9, 1959) was a Japanese army medical officer, microbiologist and the director of Unit 731, a biological warfare unit of the Imperial Japanese Army involved in forced and frequently lethal human experimentation during the Second Sino-Japanese War (1937–1945). Context_10 : Harbin No.3 High School (Chinese: 哈尔滨市第三中学) is the most prestigious high school in Harbin, Heilongjiang Province. And it is one of the top high schools in China. It has two campuses. One is located in the center of Harbin, Nangang District, and the other one is located in Qunli District of Harbin. Harbin No.3 High School is a historical cultural site of Harbin due to its long history. Qunli District campus is more than 240,000 meter squared with its entrance gate more than 50 meters wide. It is one of the largest in China.The admission is given based on test results. Among all the candidates in Harbin and surrounding cities, only the top 1% students will be selected. fact_1 : Surgeon General Shirō Ishii (石井 四郎 , Ishii Shirō , ; June 25, 1892 – October 9, 1959) was a Japanese army medical officer, microbiologist and the director of Unit 731, a biological warfare unit of the Imperial Japanese Army involved in forced and frequently lethal human experimentation during the Second Sino-Japanese War (1937–1945). fact_2 :  Unit 731 was based at the Pingfang district of Harbin, the largest city in the Japanese puppet state of Manchukuo (now Northeast China). Question: What unit was directed by Shiro Ishii and based at the Pingfang district of Harbin?

Output: Unit 731


Input: Consider Input: Context_1 : Prudhoe Bay Oil Field is a large oil field on Alaska's North Slope. It is the largest oil field in both the United States and in North America, covering 213543 acre and originally containing approximately 25 Goilbbl of oil. The amount of recoverable oil in the field is more than double that of the next largest field in the United States, the East Texas oil field. The field is operated by BP; partners are ExxonMobil and ConocoPhillips Alaska. Context_2 : The Kern River Oil Field is a large oil field in Kern County in the San Joaquin Valley of California, north-northeast of Bakersfield in the lower Sierra foothills. Yielding a cumulative production of close to 2 Goilbbl of oil by the end of 2006, it is the third largest oil field in California, after the Midway-Sunset Oil Field and the Wilmington Oil Field, and the fifth largest in the United States. Its estimated remaining reserves, as of the end of 2006, were around 476 Moilbbl , the second largest in the state. It had 9,183 active wells, the second highest in the state. The principal operator on the field is Chevron Corporation Context_3 : Cantarell Field or Cantarell Complex is an aging supergiant oil field in Mexico. It was discovered in 1976 after oil stains were noticed by a fisherman, Rudesindo Cantarell Jimenez, in 1972. It was placed on nitrogen injection in 2000, and production peaked at 2.1 Moilbbl/d in 2003. In terms of cumulative production to date, it is by far the largest oil field in Mexico, and one of the largest in the world. However, production has declined since 2003, falling to 408000 oilbbl/d in April 2012, making it Mexico's second most productive oil field after Ku-Maloob-Zaap. Context_4 : The Tarn oil field is an oil field in North Slope Borough, Alaska, United States. It is adjacent to the Kuparuk Oil Field, Alaska's second largest oil field. Context_5 : The Round Mountain Oil Field is a large oil and gas field in the foothills of the Sierra Nevada, about 10 mi northeast of Bakersfield, California, United States. It is east of the giant Kern River Oil Field, one of the largest in the United States, and also close to the Mount Poso Oil Field and Kern Front Oil Field. With a cumulative total recovery of more than 110 Moilbbl of oil, it is the 48th largest oil field in California, but remains relatively productive with still about ten percent of its reserves remaining in the ground, according to the California Department of Oil, Gas, and Geothermal Resources (DOGGR). Context_6 : Carabobo is an oil field located in Venezuela's Orinoco Belt. As one of the world's largest accumulations of recoverable oil, the recent discoveries in the Orinoco Belt have led to Venezuela holding the world's largest recoverable reserves in the world, surpassing Saudi Arabia in July 2010. The Carabobo oil field is majority owned by Venezuela's national oil company, Petroleos de Venezuela SA (PDVSA). Owning the majority of the Orinoco Belt, and its estimated 1.18 trillion barrels of oil in place, PDVSA is now the fourth largest oil company in the world. The field is well known for its extra Heavy crude oils, having an average specific gravity between 4 and 16 °API. The Orinoco Belt holds 90% of the world's extra heavy crude oils, estimated at 256 billion recoverable barrels. While production is in its early development, the Carabobo field is expected to produce 400,000 barrels of oil per day. Context_7 : Dresser Industries was a multinational corporation headquartered in Dallas, Texas, United States, which provided a wide range of technology, products, and services used for developing energy and natural resources. In 1998, Dresser merged with its main rival Halliburton, Halliburton sold many of former Dresser non "oil patch" divisions, retaining the M W Kellogg Engineering and Construction Company and the Dresser oil-patch products and services that complemented Halliburton's energy and natural resource businesses. In 2001 Halliburton sold five separate, but somewhat related former Dresser non "oil patch" divisions, to an investment banking firm. Those five operations later took the name "Dresser Inc." In October 2010, Dresser Inc., was acquired by General Electric. It is headquartered in Addison, Texas. Context_8 : The North Belridge Oil Field is a large oil field along California State Route 33 in the northwestern portion of Kern County, California, about 45 miles west of Bakersfield. It is contiguous with the larger South Belridge Oil Field to the southeast, in a region of highly productive and mature fields. Discovered in 1912, it has had a cumulative production of 136553000 oilbbl of oil, and retains 27443000 oilbbl in reserve, as of the end of 2006, making it the 40th largest oil field in the state. Context_9 : The South Mountain Oil Field is a large and productive oil field in Ventura County, California, in the United States, in and adjacent to the city of Santa Paula. Discovered in 1916, and having a cumulative production of over 158 Moilbbl of oil, it is the 37th largest oil field in California and the second largest in Ventura County (after the Ventura field). As of the beginning of 2009, it retains 316 active wells, and has an estimated 1.4 Moilbbl of oil remaining recoverable with current technology. Vintage Production, a subsidiary of Occidental Petroleum, was the largest operator as of 2009. Context_10 : The Halliburton Company, an American multinational corporation. One of the world's largest oil field service companies, it has operations in more than 70 countries. It owns hundreds of subsidiaries, affiliates, branches, brands, and divisions worldwide and employs approximately 50,000 people. fact_1 : Dresser Industries was a multinational corporation headquartered in Dallas, Texas, United States, which provided a wide range of technology, products, and services used for developing energy and natural resources. fact_2 :  In 1998, Dresser merged with its main rival Halliburton, Halliburton sold many of former Dresser non "oil patch" divisions, retaining the M W Kellogg Engineering and Construction Company and the Dresser oil-patch products and services that complemented Halliburton's energy and natural resource businesses. fact_3 : The Halliburton Company, an American multinational corporation. fact_4 :  One of the world's largest oil field service companies, it has operations in more than 70 countries. Question: Dresser Industries, merged in 1998 with its main rival, what American multinational corporation, that is one of the world's largest oil field service companies?

Output: Halliburton


Input: Consider Input: Context_1 : Colombo Central electoral district was an electoral district of Sri Lanka between August 1947 and February 1989. The district was named after the city of Colombo in Colombo District, Western Province. The district was a three-member constituency. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo Central electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo Central continues to be a polling division of the multi-member electoral district. Context_2 : Batticaloa Electoral District was an electoral district of Sri Lanka between August 1947 and February 1989. The district was named after the city of Batticaloa in Batticaloa District, Eastern Province. The district was a two-member constituency between March 1960 and February 1989. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Batticaloa electoral district was replaced by the Batticaloa multi-member electoral district at the 1989 general elections, the first under the PR system, though Batticaloa continues to be a polling division of the multi-member electoral district. Context_3 : Colonel Light Gardens is a suburb located within the City of Mitcham in the greater Adelaide region. The area is 1.58 km². It is known for featuring wide, tree-lined streets, presentable postwar bungalow homes, rounded street corners, and lots of manicured, well maintained open space. Context_4 : Gampaha electoral district was an electoral district of Sri Lanka between August 1947 and February 1989. The district was named after the city of Gampaha in present-day Gampaha District, Western Province. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Gampaha electoral district was replaced by the Gampaha multi-member electoral district at the 1989 general elections, the first under the PR system, though Gampaha continues to be a polling division of the multi-member electoral district. Context_5 : Elder is an electoral district of the House of Assembly in the Australian state of South Australia. It is named after nineteenth-century businessman and philanthropist Thomas Elder. Elder is a 15.7 km² urban electorate in Adelaide's south-west, taking in the suburbs of Ascot Park, Clovelly Park, Marion, Melrose Park, Mitchell Park and Park Holme, and parts of Colonel Light Gardens, Daw Park, Edwardstown, Oaklands Park, Plympton Park, South Plympton and Warradale. Context_6 : Colombo East electoral district was an electoral district of Sri Lanka between July 1977 and February 1989. The district was named after the city of Colombo in Colombo District, Western Province. The district was created by the division of the Colombo South Electoral District into Colombo East and Colombo West electoral districts in July 1977. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo East electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo East continues to be a polling division of the multi-member electoral district. Context_7 : Moratuwa electoral district was an electoral district of Sri Lanka between August 1947 and February 1989. The district was named after the city of Moratuwa in Colombo District, Western Province. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Moratuwa electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Moratuwa continues to be a polling division of the multi-member electoral district. Context_8 : Colombo West electoral district was an electoral district of Sri Lanka between July 1977 and February 1989. The district was named after the city of Colombo in Colombo District, Western Province. The district was created by the division of the Colombo South Electoral District into Colombo East and Colombo West electoral districts in July 1977. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo West electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo West continues to be a polling division of the multi-member electoral district. Context_9 : Colombo North electoral district was an electoral district of Sri Lanka between August 1947 and February 1989. The district was named after the city of Colombo in Colombo District, Western Province. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo North electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo North continues to be a polling division of the multi-member electoral district. Context_10 : Trincomalee electoral district was an electoral district of Sri Lanka between August 1947 and February 1989. The district was named after the city of Trincomalee in Trincomalee District, Eastern Province. The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament. The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Trincomalee electoral district was replaced by the Trincomalee multi-member electoral district at the 1989 general elections, the first under the PR system, though Trincomalee continues to be a polling division of the multi-member electoral district. fact_1 : Elder is an electoral district of the House of Assembly in the Australian state of South Australia. fact_2 :  Elder is a 15.7 km² urban electorate in Adelaide's south-west, taking in the suburbs of Ascot Park, Clovelly Park, Marion, Melrose Park, Mitchell Park and Park Holme, and parts of Colonel Light Gardens, Daw Park, Edwardstown, Oaklands Park, Plympton Park, South Plympton and Warradale. fact_3 : Colonel Light Gardens is a suburb located within the City of Mitcham in the greater Adelaide region. Question: In which city is the suburb partially included in the electoral district of Elder?


Output: Mitcham