Information: - The 1950 LEN European Aquatics Championships were held 20 -- 27 August 1950 in Vienna , Austria . - Diving is the sport of jumping or falling into water from a platform or springboard, usually while performing acrobatics. Diving is an internationally recognized sport that is part of the Olympic Games. In addition, unstructured and non-competitive diving is a recreational pastime. - Open water swimming takes place in outdoor bodies of water such as open oceans, lakes, and rivers. - Water polo is a team water sport. The game consists of four quarters in which the two teams attempt to score goals by throwing the ball into their opponent's goal. The team with the most goals at the end of the game wins the match. A team consists of 6 field players and one goalkeeper in the water at any one time. Except for the goalkeeper, players participate in both offensive and defensive roles. In addition to this, teams may have substitute field players and substitute goalkeepers who are not in the water. Water polo is typically played in an all-deep pool 7 feet deep and players require stamina and endurance to play the game. - The European Aquatics Championships is the continental Aquatics championship for Europe, which is organized by LENthe governing body for aquatics in Europe. The Championships are currently held every two years (in even years); and since 1999, they have included 4 aquatics disciplines: Swimming (long course/50m pool), Diving, Synchronized swimming and Open water swimming. Prior to 1999, the championships also included Water polo, which beginning in 1999 LEN split-off into a separate championships. The open water events are not held during the Olympic year. What is the relationship between '1950 european aquatics championships' and 'swimming'?
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Answer: sport

Information: - Bertelsmann is a German multinational corporation based in Gutersloh, North Rhine-Westphalia, Germany. It is one of the world's largest mass media companies and also active in the service sector and education. Bertelsmann was founded as a publishing house by Carl Bertelsmann in 1835. After World War II, Bertelsmann, under the leadership of Reinhard Mohn, went from being a medium-sized enterprise to a major conglomerate, offering not only books but also television, radio, magazines and business services. Bertelsmann is an unlisted and capital market-oriented company, which remains primarily controlled by the Mohn family. Since 2016, major divisions of Bertelsmann are RTL Group, Penguin Random House, Gruner + Jahr, BMG, Arvato, Bertelsmann Printing Group, Bertelsmann Education Group and Bertelsmann Investments. - Crackerjack Productions (merge name FremantleMedia Australia) is an Australian independent television production company headed by brothers Mark and Carl Fennessy. - RTL Group is a European entertainment company. It has interests in 59 television and 31 radio stations in 10 countries. The Luxembourg-based media group operates TV channels and radio stations in Germany, France, Belgium, the Netherlands, Luxembourg, Spain, Hungary, Croatia and Asia as well as production companies throughout the world. It is majority-owned by German media conglomerate Bertelsmann. Its shares are quoted on the Xetra stock exchange in Germany. - FremantleMedia Australia is the Australian arm of FremantleMedia and was formed in 2006 by the merger of two great names in Australian television industry - Crackerjack Productions and Grundy Television, who had been both acquired by FremantleMedia. - The Reg Grundy Organisation (later the Grundy Organisation, then Grundy Television and known informally as Grundy's) was an Australian television production company founded in 1959 by businessman Reg Grundy. It later branched out into Europe and the USA. The company first produced game shows, then branched into soap operas in 1973. In 1995 Reg Grundy sold the company to Pearson Television, which has since become known as FremantleMedia and is part of the RTL Group (in turn 90% owned by Bertelsmann). In 2006 FremantleMedia merged Grundy Television and Crackerjack Productions to form FremantleMedia Australia. Until 2013 the name Grundy still existed in Germany as Grundy Light Entertainment and in Italy as Grundy Productions Italy. - FremantleMedia Group is a British international television content and production/distribution subsidiary of Bertelsmann's RTL Group, Europe's largest TV, radio, and production company. Its world headquarters are located in London. - Class of ' 74 ( and later Class of ' 75 ) was a secondary school - based , daily soap opera produced by the Reg Grundy Organisation and screened on the Seven Network in Australia starting March 1974 . The main characters were a mix of teachers and other school personnel , and students . The series was aimed at a teenage audience . Each episode was 30 minutes ; five episodes each week were broadcast , stripped across week nights in an early evening timeslot . The series was renamed Class of ' 75 for its second and final year . It also switched from black and white to colour during its second year on air . Principal cast members included Leonard Teale , John Hamblin , Gordon Glenwright , Jeanie Drynan , Anne Louise Lambert , Megan Williams , Joanne Samuel , Carla Hoogeveen , John Diedrich , Jan Kingsbury , Vince Martin , Judy Ferris , Carol Vincent - Smythe , Kevin Miles , Mark Hollis ; and in 1975 Abigail , Peta Toppano , Peter Bensley , Briony Behets , Angela Punch - McGregor , Peter Flett , Marty Rhone , Anne Charleston . Cast members Teale , Hamblin and Glenwright continued the program 's entire run . What is the relationship between 'class of 74' and 'fremantlemedia'?
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Answer:
production company