Given the question: Information:  - Leo Melamed, born March 20, 1932, is an American attorney, finance executive, and a pioneer of financial futures. He is the chairman emeritus of CME Group (formerly the Chicago Mercantile Exchange).  - Chicago (or ), officially the City of Chicago, is the third-most populous city in the United States, and the fifth-most populous city in North America. With over 2.7 million residents, it is the most populous city in the state of Illinois and the Midwestern United States, and the county seat of Cook County. The Chicago metropolitan area, often referred to as Chicagoland, has nearly 10 million people and is the third-largest in the U.S.  - London is the capital and most populous city of England and the United Kingdom, as well as the most populous city proper in the European Union. Standing on the River Thames in the south east of the island of Great Britain, London has been a major settlement for two millennia. It was founded by the Romans, who named it "Londinium". London's ancient core, the City of London, largely retains its medieval boundaries. Since at least the 19th century, "London" has also referred to the metropolis around this core, historically split between Middlesex, Essex, Surrey, Kent, and Hertfordshire, which today largely makes up Greater London, governed by the Mayor of London and the London Assembly.  - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency.  - The Chicago Board of Trade (CBOT), established in 1848, is one of the world's oldest futures and options exchanges. More than 50 different options and futures contracts are traded by over 3,600 CBOT members through open outcry and electronic trading. Volumes at the exchange in 2003 were a record breaking 454 million contracts. On 12 July 2007, the CBOT merged with the Chicago Mercantile Exchange (CME) to form the CME Group, a CME/Chicago Board of Trade Company. CBOT and three other exchanges (CME, NYMEX, and COMEX) now operate as designated contract markets (DCM) of the CME Group.  - Surrey is a county in the south east of England and also one of the home counties bordering Greater London. Surrey shares borders with Kent to the east, East Sussex to the south-east, West Sussex to the south, Hampshire to the west and south-west and Berkshire to the north-west. The county town is Guildford. Surrey County Council sits extraterritorially at Kingston upon Thames, administered as part of Greater London since 1965. With a resident population of 1.1 million, Surrey is the most densely populated and third most populated county in the South East region, after Kent and Hampshire.  - Middlesex (abbreviation: Middx) was a county in southeast England that is now mostly part of Greater London, with small sections in neighbouring counties. It was established in the Anglo-Saxon system from the territory of the Middle Saxons, and existed as an official unit until 1965. The historic county included land stretching north of the River Thames from east to west of the City of London with the rivers Colne and Lea and a ridge of hills as the other boundaries. The largely low-lying county, dominated by clay in its north and alluvium on gravel in its south, was the second smallest by area in 1831.  - The City of New York, often called New York City or simply New York, is the most populous city in the United States. With an estimated 2015 population of 8,550,405 distributed over a land area of just , New York City is also the most densely populated major city in the United States. Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area, one of the most populous urban agglomerations in the world. A global power city, New York City exerts a significant impact upon commerce, finance, media, art, fashion, research, technology, education, and entertainment, its fast pace defining the term "New York minute". Home to the headquarters of the United Nations, New York is an important center for international diplomacy and has been described as the cultural and financial capital of the world.  - England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west. The Irish Sea lies northwest of England and the Celtic Sea lies to the southwest. England is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain (which lies in the North Atlantic) in its centre and south; and includes over 100 smaller islands such as the Isles of Scilly, and the Isle of Wight.  - The Chicago Mercantile Exchange (CME) (often called "the Chicago Merc", or "the Merc") is an American financial and commodity derivative exchange based in Chicago and located at 20 S. Wacker Drive. The CME was founded in 1898 as the Chicago Butter and Egg Board, an agricultural commodities exchange. Originally, the exchange was a non-profit organization. The Merc demutualized in November 2000, went public in December 2002, and merged with the Chicago Board of Trade in July 2007 to become a designated contract market of the CME Group Inc., which operates both markets. The Chairman and Chief Executive Officer of CME Group is Terrence A. Duffy, Bryan Durkin is President and Leo Melamed is Chairman Emeritus. On August 18, 2008, shareholders approved a merger with the New York Mercantile Exchange (NYMEX) and COMEX. The Merc, CBOT, NYMEX and COMEX are now markets owned by the CME Group.  - The Midwestern United States, also referred to as the American Midwest or simply the Midwest, is one of the four geographic regions defined by the United States Census Bureau, occupying the northern central part of the United States of America. It was officially named the North Central region by the Census Bureau until 1984.  - The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a sovereign country in western Europe. Lying off the north-western coast of the European mainland, it includes the island of Great Britain (the name of which is also loosely applied to the whole country), the north-eastern part of the island of Ireland, and many smaller islands. Northern Ireland is the only part of the UK that shares a land border with another sovereign statethe Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, with the North Sea to its east, the English Channel to its south and the Celtic Sea to its south-south-west, giving it the 12th-longest coastline in the world. The Irish Sea lies between Great Britain and Ireland. With an area of , the UK is the 78th-largest sovereign state in the world and the 11th-largest in Europe. It is also the 21st-most populous country, with an estimated 65.1 million inhabitants. Together, this makes it the fourth most densely populated country in the European Union.  - The Mayor of London is an elected politician who, along with the London Assembly of 25 members, is accountable for the strategic government of Greater London. The current mayor is Sadiq Khan, who took up office on 9 May 2016. The position had been held by Ken Livingstone from the creation of the role on 4 May 2000 until he was defeated in 2008 by Boris Johnson, who served two terms before being succeeded by Khan.  - Londinium was a settlement established on the current site of the City of London around  43. Its bridge over the River Thames turned the city into a road nexus and major port, serving as a major commercial centre in Roman Britain until its abandonment during the 5th century.  - The headquarters of the United Nations is a complex in New York City designed by Brazilian architect Oscar Niemeyer. The complex has served as the official headquarters of the United Nations since its completion in 1952. It is located in the Turtle Bay neighborhood of Manhattan, on spacious grounds overlooking the East River. Its borders are First Avenue on the west, East 42nd Street to the south, East 48th Street on the north and the East River to the east. The term "Turtle Bay" is occasionally used as a metonym for the UN headquarters or for the United Nations as a whole.  - CME Group Inc. ( Chicago Mercantile Exchange & Chicago Board of Trade ) is an American futures company and one of the largest options and futures exchanges . It owns and operates large derivatives and futures exchanges in Chicago and New York City , as well as online trading platforms . In 2014 , it gained regulatory approval to open a derivatives exchange in London . It also owns the Dow Jones stock and financial indexes , and CME Clearing Services , which provides settlement and clearing of exchange trades . The exchange - traded derivative contracts include futures and options based on interest rates , equity indexes , foreign exchange , energy , agricultural commodities , rare and precious metals , weather , and real estate . It has been described by The Economist as `` The biggest financial exchange you have never heard of . '' The corporate world headquarters are in Chicago in The Loop . The corporation was formed by the 2007 merger of the Chicago Mercantile Exchange ( CME ) and the Chicago Board of Trade ( CBOT ) . On March 17 , 2008 , CME Group announced it had acquired NYMEX Holdings , Inc. , the parent company of the New York Mercantile Exchange and Commodity Exchange , Inc ( COMEX ) . The acquisition was formally completed on August 22 , 2008 . The four exchanges now operate as designated contract markets ( DCM ) of the CME Group . On February 10 , 2010 , CME announced its purchase of 90 % of Dow Jones Indexes , including the Dow Jones Industrial Average . Dow Jones Indexes subsequently became S&P Dow Jones Indices , in which CME has a 24.4 % ownership interest . On October 17 , 2012 , CME announced it was acquiring the Kansas City Board of Trade for $ 126 Million in cash . KCBOT is the dominant venue for the sale of hard red winter wheat . The Chicago Board of Trade is the leading trade platform for soft red winter wheat .  - The Chicago metropolitan area, or Chicagoland, is the metropolitan area associated with the city of Chicago, Illinois, and its suburbs. With an estimated population of 9.4 million people, it is the third largest metropolitan area in the United States. Chicagoland is the area that is closely linked to the city through geographic, social, economic, and cultural ties.  - The Economist is an English-language weekly magazine-format newspaper owned by the Economist Group and edited at offices in London. Continuous publication began under its founder, James Wilson, in September 1843. In 2015 its average weekly circulation was a little over 1.5 million, about half of which were sold in the United States.  - The Chicago Butter and Egg Board, founded in 1898, was a spin-off entity of the Chicago Produce Exchange. In the year 1919, it was re-organized as the Chicago Mercantile Exchange (CME). Roots of the Chicago Butter and Egg Board are traceable to the 19th century.  - Illinois is a state in the midwestern region of the United States, achieving statehood in 1818. It is the 5th most populous state and 25th largest state in terms of land area, and is often noted as a microcosm of the entire country. The word "Illinois" comes from the Algonquin word for "tribe of superior men". With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal, timber, and petroleum in the south, Illinois has a diverse economic base and is a major transportation hub. The Port of Chicago connects the state to other global ports from the Great Lakes, via the Saint Lawrence Seaway, to the Atlantic Ocean, as well as the Great Lakes to the Mississippi River, via the Illinois River. For decades, O'Hare International Airport has been ranked as one of the world's busiest airports. Illinois has long had a reputation as a bellwether both in social and cultural terms and politics.  - The London Assembly is an elected body, part of the Greater London Authority, that scrutinises the activities of the Mayor of London and has the power, with a two-thirds majority, to amend the Mayor's annual budget and to reject the Mayor's draft statutory strategies. The assembly was established in 2000 and meets at City Hall on the South Bank of the River Thames, close to Tower Bridge. The assembly is also able to investigate other issues of importance to Londoners (transport, environmental matters, etc.), publish its findings and recommendations, and make proposals to the Mayor.  - Great Britain, also known as Britain , is a large island in the north Atlantic Ocean off the northwest coast of continental Europe. With an area of , Great Britain is the largest European island and the ninth-largest in the world. In 2011 the island had a population of about 61 million people, making it the world's third-most populous island after Java in Indonesia and Honshu in Japan. The island of Ireland is situated to the west of it, and together these islands, along with over 1,000 smaller surrounding islands, comprise the British Isles archipelago.    What object entity has the relation of 'inception' with the subject 'cme group'?   Choices: - 1  - 100  - 12 july 2007  - 1818  - 1831  - 1843  - 1848  - 1898  - 19  - 1932  - 1952  - 1965  - 1984  - 1999  - 2  - 20  - 2000  - 2003  - 2007  - 2008  - 2011  - 2015  - 2016  - 25  - 4  - 43  - 50  - 600  - 8  - 9  - december 2002  - july 2007
The answer is:
12 july 2007