Question: Brauerei Paderborner is a brewery in the German city of Paderborn, which was purchased by which German brewery, in the Arnsberg Forest Nature Park outside of Warstein?

full_context: Document 1: Anheuser family: The Anheuser family is a family from the Nahe in the Rhineland-Palatinate. The American brewery family of Anheuser-Busch fame are descendants of Eberhard Anheuser who was born in Bad Kreuznach. The Anheuser family has been producing German wine in the Nahe since the 17th century and has continued producing wine for 13 generations under the name of Weingut Paul Anheuser.
Document 2: Gösser: Gösser (] ) beer is the main brand of Göss Brewery in Leoben, one of the largest and most-well known in Austria. The brewery is part of Brau Union, the largest Austrian brewer, whose majority shareholder is the Dutch brewing company Heineken.
Document 3: Brau und Brunnen: Brau und Brunnen AG ("Brew and Spring") was a German brewing and beverage group which was formed as "Dortmunder Union-Schultheiss Brauerei AG" in 1972 through a merger between Schultheiss-Brauerei and Dortmunder Union-Brauerei. It was renamed "Brau und Brunnen" in 1988. It owned a number of formerly independent breweries, including Einbecker Brewery. Until the early 1990s, Brau und Brunnen was the largest beverage company in Germany, but its market share steadily declined throughout the 1990s. An additional cause for the decline was the company's purchase of Bavaria – St. Pauli Brewery and Jever for an estimated 800 million DM, although these purchases were later estimated to only be worth closer to 250 million DM. Other companies engaged in a series of mergers and acquisitions, and by 1999, it had sank to the fourth-largest beverage company and was continually losing money. After unsuccessful internal reorganizations, the company was purchased by Dr. August Oetker KG and integrated into its subsidiary Radeberger Gruppe.
Document 4: Krombacher Brauerei: Krombacher Brauerei (] ) is one of the largest privately owned breweries in Germany and ranks number 2 among Germany's best selling beers.
Document 5: Diebels: Brauerei Diebels is a firm based in Issum on the Lower Rhine that manufactures various beer products and belongs to the Anheuser-Busch Inbev Group in Brussels. The formerly independent family firm was taken over in 2001 by the Belgian Interbrew Group which merged with the Brazilian AmBev to form the Anheuser-Busch InBev brewing group.
Document 6: Baderbräu: Baderbräu is a Czech-style pilsner beer first brewed in 1988 by the Pavichevich Brewing Company based in Elmhurst, Illinois. After Pavichevich Brewing declared bankruptcy in 1997, Goose Island took over production of the beer until 2002. Acquisition of the Baderbräu trademark in 2010 by entrepreneur Rob Sama led to the creation of the Baderbräu Brewing Company, which resumed brewing of the Baderbräu pilsner.
Document 7: Licher Privatbrauerei: The Licher Privatbrauerei Ihring-Melchior GmbH is a brewery in Lich, Germany. With 250 employees, the brewery is the largest private brewery located in Lich. "Licher Beer" has been market leader since 1988 in Hessen and is known to be one of the top 20 beers in the German beer market.
Document 8: Bavaria – St. Pauli Brewery: Bavaria – St. Pauli Brewery (Bavaria - St. Pauli - Brauerei AG) was a German brewery founded in 1922 from the merger of Bavaria Brauerei AG (founded 1897) and St. Pauli Actien-Brauerei (founded 1862) in Hamburg. Its brands are now brewed by Holsten.
Document 9: Störtebeker Braumanufaktur: Störtebeker Braumanufaktur GmbH is a brewery in Stralsund, Germany and is the sole brewery in the city. The company produces beer under the brands "Störtebeker" and "Stralsunder", as well as mineral water and other non-alcoholic beverages. The brewery adopted its present name at the end of 2011; before this, it was known as Stralsunder Brauerei GmbH. The name is a homage to the German pirate Klaus Störtebeker.
Document 10: Warsteiner: Warsteiner beer is brewed in the Arnsberg Forest Nature Park outside of Warstein, North-Rhine Westphalia, Germany. Warsteiner has been owned by the Cramer family since 1753. Warsteiner is Germany's largest privately owned brewery; its most popular beer is Warsteiner Premium Verum.
Document 11: Mützig: Mützig is a beer brand owned by Heineken and its subsidiaries, and was originally brewed in 1810 by of Alsace, France. It is now a 5.5% ABV lager available in 65cl and 33cl bottles. It has a full-bodied taste and distinctive packaging, and is the most successful premium, locally brewed beer in Central Africa. Mützig is considered a flagship African brand.
Document 12: Janssen and Bechly Brewery: Janssen & Bechly Brewery produced beer at Neubrandenburg, Germany from 1912 until the company was nationalized by East Germany in 1949. The brewery continued to produce beer under the Neubrandenburg and Nordbräu brand names until the company ended production in 1995. The Nordbräu brand was sold to the Mecklenburg brewery Lübzer in 1996.
Document 13: Augustiner-Bräu: Augustiner-Bräu is a brewery in Munich, Germany. Established in 1328, it is Munich's oldest independent brewery. The company is owned by the Edith Haberland Wagner Trust 51% and the Inselkammer-Family 49%.
Document 14: Pearl Brewing Company: The Pearl Brewing Company (also known as the Pearl Brewery or just Pearl) was an American brewery, established in 1883 in Downtown San Antonio, Texas, USA. In 1985, Pearl's parent company purchased the Pabst Brewing Company and assumed the Pabst name. In 1999, the Pabst Brewing Company began transferring its production to Miller Brewing, on a contract basis, and closing all of its breweries. Pearl beer is still in production at Miller's Ft. Worth, Texas facility, but the Pearl Brewery in San Antonio was closed in 2001. Since then, the former brewery was purchased by Silver Ventures, Inc., which has made the property the crown jewel in revitalization efforts of southern Midtown and northern Downtown San Antonio.
Document 15: Paderborner Brauerei: Brauerei Paderborner is a brewery in the German city of Paderborn. The traditional Westphalian brewery was purchased by the German brewery-major Warsteiner in 1990.
ground_truth: Warsteiner