Question: Where are the headquarters of the corporation that became an equity partner in 2013? Passage 1:In the popular market, Opel and Volkswagen are most well known. Opel was a bicycle company that started making cars in 1899; General Motors bought it out in 1929, but the Nazi government took control, and GM wrote off its entire investment. In 1948, GM returned and restored the Opel brand. Volkswagen is dominant in the popular market; it purchased Audi in 1964, which eventually led to the formation of today's Volkswagen Group. Volkswagen's most famous car was the small, beetle-shaped economical "people's car", with a rear-mounted, air-cooled engine. It was designed in the 1930s by Ferdinand Porsche upon orders from Adolf Hitler, who was himself a car enthusiast. However, production models only appeared after the war; until then, only rich Germans had automobiles. By 1950, Volkswagen was the largest German automobile producer. Today, the Group is one of the three biggest automotive companies in the world, and the largest in Europe; and is now part-owned by Porsche Automobil Holding SE. , seven different car manufacturers belong to the industrial concern: Volkswagen, Audi AG, Bugatti Automobiles SAS, Automobili Lamborghini S.p.A., Bentley Motors Limited, SEAT, S.A., Škoda Auto, along with commercial vehicle makers Volkswagen Commercial Vehicles, MAN AG and Scania AB. During German reunification West Germany incorporated non-large (near 200 thousands per year) production of Wartburg, Trabant cars and IFA trucks in East Germany.
 Passage 2:After graduating from high school in 1964, Archie studied at Memphis State College while continuing to play with the Impalas, and occasionally made recordings as a session musician. He dropped out of college, and in 1968 was drafted into the US Army, initially forming a band at Fort Polk, Louisiana with his cousin, Donny Mitchell. He was transported to Vietnam as a member of an infantry unit, eventually forming a band there. He was recognized in Stars and Stripes magazine as 1969 Entertainer of the Year in Vietnam. Returning to Memphis in 1970, he restarted his degree but changed his major to Psychology. He also formed a new rock band, Blackrock, with Cornell McFadden (drums – previously a member of The Insect Trust), Kirk Dudley (bass), and Willie Pettis (guitar). They recorded one single, "Blackrock, Yeah, Yeah", for the local Select-O-Hits label, and – with Pettis replaced by Larry Lee – traveled to California where they auditioned for Bill Graham, though nothing came of the session and the band split up in 1971. "Blackrock, Yeah, Yeah", co-written by Turner, was sampled on the 2014 album ...And Then You Shoot Your Cousin by The Roots.
 Passage 3:bKash () is a mobile financial service in Bangladesh operating under the authority of Bangladesh Bank as a subsidiary of BRAC Bank Limited. This mobile money system started as a joint venture between BRAC Bank Limited, Bangladesh and Money in Motion LLC, United States of America. bKash users can deposit money into their mobile accounts and then access a range of services, in particular transferring and receiving money domestically, making payments and can recharge prepaid mobiles easily. Also, They can pay mobile postpaid bills. In April 2013, International Finance Corporation (IFC), a member of the World Bank Group, became an equity partner, in March 2014, Bill & Melinda Gates Foundation became an investor in the company, and in April 2018 Ant Financial, the operators of Alipay (a concern of Chinese giant Alibaba Group), became an equity partner.

Output: 3