Question: Opodo is an online travel agency founded by a consortium of European airlines including the largest German airline and one of five founding members of what?

full_context: Document 1: Hutchgo.com: hutchgo.com is an online travel agency offers one-stop booking services in the Asia Pacific region, providing travel related products including air tickets, multi-city flights, accommodation ranging from hotel, lodge to resort, tour & holiday packages, travel insurance and car rental. The online travel site is owned by Hutchison Travel (formerly known as Hutchison-Priceline), a member of CK Hutchison Holdings.
Document 2: EDreams ODIGEO: eDreams ODIGEO is a global online travel company that was formed in 2011 with the merger of four online travel agencies including eDreams, GO Voyages, Opodo Travellink plus the metasearch engine Liligo.com, which was acquired in 2013. The five brands that make up the group sell flights, hotels, vacation packages (flight + hotel), train tickets, car rentals, and travel insurance to 16 million customers with localized sites across 44 countries worldwide. The company's headquarters are in Barcelona with 15 offices and more than 1,700 employees worldwide.
Document 3: CheapOair: CheapOair is an online travel agency that allows customers to book airfare, hotel rooms, rental cars, and vacation packages online, on its mobile apps, by telephone or live chat. Since its inception in 2005, CheapOair has become one of the top 5 online travel agencies in the United States and is the number 2 online travel agency in flight volume. CheapOair has won numerous awards including those from "Travel Weekly","The Stevie Awards", and the "International Service Excellence Awards". CheapOair has received recognition from "Fortune", "USA Today", and "Bloomberg Businessweek"). CheapOair has agreements with more than 550 airlines, 200,000 hotels and hundreds of rental car companies
Document 4: KLM: KLM Royal Dutch Airlines, legally "Koninklijke Luchtvaart Maatschappij N.V.", is the flag carrier airline of the Netherlands. KLM is headquartered in Amstelveen, with its hub at nearby Amsterdam Airport Schiphol. It is part of the Air France–KLM group, and is a member of the SkyTeam airline alliance. KLM was founded in 1919; it is the oldest airline in the world still operating under its original name and had 32,505 employees as of 2013 . KLM operates scheduled passenger and cargo services to 145 destinations.
Document 5: Qantas: Qantas Airways ( ; ) is the flag carrier of Australia and its largest airline by fleet size, international flights and international destinations. It is the third oldest airline in the world, after KLM and Avianca having been founded in November 1920; it began international passenger flights in May 1935. The Qantas name comes from ""QANTAS"", an acronym for its original name, ""Queensland and Northern Territory Aerial Services"", and it is nicknamed "The Flying Kangaroo". Qantas is a founding member of the Oneworld airline alliance.
Document 6: TUI Group: TUI Group (German: "TUI (Touristik Union International) Aktiengesellschaft" ) is a multinational travel and tourism company headquartered in Hanover, Germany. It is the largest leisure, travel and tourism company in the world, and owns travel agencies, hotels, airlines, cruise ships and retail stores. The group owns six European airlines - the largest holiday fleet in Europe - and nine tour operators based in Europe.
Document 7: OneTravel: OneTravel is an online travel agency that allows customers to book airfare, hotel rooms, rental cars, and vacation packages online, on its mobile apps, by telephone or live chat. It is operated by the umbrella company Fareportal, and is a sister site to their other online travel agencies, such as CheapOair. It focuses on providing a wider variety of travel agencies services than just air travel, putting more emphasis on things like vacation packages and hotels.
Document 8: Kiwi.com: Kiwi.com (previously known as skypicker.com) is a Czech online travel agency. On its website kiwi.com it provides a fare aggregator, metasearch engine and booking for airline tickets. Its unique feature is "virtual interlining" - selling flight itineraries combining normally non-cooperating airlines, while company provides guarantees covering missed connections.
Document 9: EDreams: eDreams is an online travel agency that offers deals in regular and charter flights, low-cost airlines, hotels, car rental, dynamic packages, holiday packages and travel insurance within its localized sites across 33 countries and territories, offering prices in local currencies - Argentina, Australia, Brazil, Canada (English and French), Chile, Colombia, Germany, Egypt, Spain, France, Greece, Hong Kong, Indonesia, India, Italy, Japan, Morocco, Mexico, Netherlands, New Zealand, Peru, Philippines, Portugal, Russia, Switzerland (French, Italian and German), Singapore, South Africa, Thailand, Turkey, United Arab Emirates, United Kingdom, United States of America (English and Spanish) and Venezuela – and one common website for the rest of the world in English.
Document 10: Opodo: Opodo is an online travel agency which offers deals in regular and charter flights, low-cost airlines, hotels, cruises, car rental, dynamic packages, holiday packages and travel insurance. It is a pan-European enterprise, founded by a consortium of European airlines, including British Airways, Air France, Alitalia, Iberia, KLM, Lufthansa, Aer Lingus, Austrian Airlines and Finnair. The travel technology provider Amadeus owned 99.4% of the company until 2011.
Document 11: Lufthansa: Deutsche Lufthansa AG () (] ), commonly known as Lufthansa (sometimes also as "Lufthansa German Airlines"), is the largest German airline and, when combined with its subsidiaries, also the largest airline in Europe, in terms of fleet size, and the second largest airline in terms of passengers carried during 2016. The name of the company is derived from "Luft" 'air' and "Hansa", the Hanseatic League. Lufthansa is one of the five founding members of Star Alliance, the world's largest airline alliance, formed in 1997.
Document 12: Air Berlin: Air Berlin PLC & Co. Luftverkehrs KG (), branded as airberlin or airberlin.com, is Germany's second-largest airline, after Lufthansa, and Europe's seventh-largest airline in terms of passengers carried. It maintains hubs at Berlin Tegel Airport and Düsseldorf Airport and serves 12 German cities as well as destinations in Europe, the Caribbean and the Americas.
Document 13: Star Alliance: Star Alliance is one of the world's largest global airline alliances. Founded on 14 May 1997, its current CEO is Jeffrey Goh and its headquarters is located in Frankfurt am Main, Germany. s of November 2016 , Star Alliance is the largest global alliance by passenger count with 689.98 million, ahead of SkyTeam (665.4 million) and Oneworld (557.4 million). Its slogan is "The Way The Earth Connects".
Document 14: Lufthansa Italia: Lufthansa Italia S.p.A was an Italian airline and a wholly owned subsidiary of the German Lufthansa Group headquartered in Milan and based at Milan–Malpensa Airport. Operations started on 2 February 2009 and ceased on 29 October 2011.
Document 15: Thomas Cook Group: Thomas Cook Group plc is a British global travel company listed on the London Stock Exchange. It was formed on 19 June 2007 by the merger of Thomas Cook AG, itself the successor to Thomas Cook & Son, and MyTravel Group plc. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. The group owns a number of tour operators, as well as airlines based in the United Kingdom, Germany, Belgium and Scandinavia. Thomas Cook also owns the booking website Hotels4u.
ground_truth: Star Alliance