Question: What airline does the airline alliance Oneworld share their terminal with at the The Heathrow Airport?

Context paragraphs:
Heathrow Terminal 1: Heathrow Terminal 1 is a disused airport terminal at London Heathrow Airport that was in operation between 1968 to 2015.  When it was officially opened by Queen Elizabeth II in April 1969 it was the largest new airport terminal in western Europe.  At the point of its closure on 29 June 2015 it had only been handling twenty daily flights by British Airways to nine destinations.  In May 2017 the entire contents of the terminal was put up for auction.  The footprint of Terminal 1 was planned to be used for construction of the second phase of London Heathrow Terminal 2.

Heathrow Terminal 3: Heathrow Terminal 3 is an airport terminal at Heathrow Airport, serving London, the capital city of the United Kingdom.  Terminal 3 is currently used by Oneworld members and a few other non-affiliated airlines.  It is also the base for Virgin Atlantic.

Heathrow Terminal 5 station: Heathrow Terminal 5 is a shared railway and London Underground station serving London Heathrow Airport Terminal 5.  The station serves as a terminus for the Heathrow Express services to Paddington in central London, and for Piccadilly line services towards Cockfosters.  The station is staffed entirely by Heathrow Express staff, unlike the other underground stations serving Terminal 4 and Terminals 2 & 3.

Heathrow Terminals 2 &amp; 3 tube station: Heathrow Terminals 2 & 3 is a London Underground station at Heathrow Airport on the Heathrow branch of the Piccadilly line, and currently serves Heathrow Terminal 2 and Terminal 3.  The station was named Heathrow Terminals 1, 2 & 3 until January 2016, when the station was renamed to reflect the closure of Heathrow Terminal 1.  The station is situated in Travelcard Zone 6.

Heathrow Terminal 2: Heathrow Terminal 2, also known as The Queen's Terminal, is an airport terminal at Heathrow Airport, the main airport serving London, United Kingdom.  The new development was originally named "Heathrow East Terminal", and occupies the sites where the previous Terminal 2 and the "Queen's Building" stood.  It was designed by Luis Vidal + Architects and opened on 4 June 2014.  The original Terminal 2 opened in 1955 as the "Europa Building" and was the airport's oldest terminal.

History of Kingfisher Airlines: Kingfisher Airlines was established in 2003.  It is owned by the Bengaluru based United Breweries Group.  The airline started commercial operations on 9 May 2005 with a fleet of four new Airbus A320-200s operating a flight from Mumbai to Delhi.  It started its international operations on 3 September 2008 by connecting Bengaluru with London.  Kingfisher's head office is located in Kingfisher House Western Express Highway Vile Parle (E) Mumbai – 400099 India and its registered office is located in UB City, Bangalore.  Its head office was previously in the Kingfisher House in Vile Parle (East), Mumbai.  In 2012 Vijay Mallya was trying to sell the Vile Parle Kingfisher House.  The airline had shut down its operations when on 20 October 2012 the DGCA suspended its flying license.  This suspension had been due to failure to give an effective response to the show-cause notice issued by DGCA.  However, The airline had locked out its employees for several days before this suspension.  On 25 October 2012, the employees agreed to return to work.  On 7 June 2010 Kingfisher became a member elect of the Oneworld airline alliance when it signed a formal membership agreement.  Kingfisher confirmed on 20 December 2011 that it will join the Oneworld airline alliance on 10 February 2012.  Kingfisher would have been the first Indian carrier to join one of the big airline alliances.  However, on 3 February 2012, owing to bad financial situation and two days after the International Air Transport Association (IATA) clearing house suspended Kingfisher Airlines; the airlines participation to Oneworld has been put on hold.

1948 Heathrow Disaster: The 1948 Heathrow Disaster was the crash of a Douglas DC-3C of the Belgian airline Sabena at Heathrow Airport, London, United Kingdom on 2 March 1948.  It was the first major accident at Heathrow Airport; of the 22 people on board 20 were killed, of whom most had British nationality.

Expansion of Heathrow Airport: The expansion of Heathrow Airport has involved several proposals by Heathrow Airport Holdings and an independent proposal by Heathrow Hub, to increase capacity at Heathrow Airport.

Heathrow Terminal 4: Heathrow Terminal 4 is an airport terminal at Heathrow Airport, the main airport serving London, United Kingdom, situated to the south of the southern runway, next to the cargo terminal.  It is connected to Heathrow Terminals 2 and 3 by the vehicular Heathrow Cargo Tunnel, and by rail with the Heathrow Terminal 4 tube station and Heathrow Terminal 4 railway station.

Oneworld: Oneworld (marketed as oneworld; CRS: *O) is an airline alliance founded on 1 February 1999.  The alliance's stated objective is to be the first-choice airline alliance for the world's frequent international travelers.  Its central alliance office is currently based in New York City in the United States.  Its member airlines include Air Berlin, American Airlines, British Airways, Cathay Pacific, Finnair, Iberia, Japan Airlines, LATAM Airlines, Malaysia Airlines, Qantas, Qatar Airways, Royal Jordanian, S7 Airlines and SriLankan Airlines, plus some 21 affiliated airlines.  As of August 2016, Oneworld is the third largest global alliance in terms of passengers with more than 557.4 million passengers carried, behind Star Alliance (689.98 M) and SkyTeam (665.4 M).  Its slogan is "An alliance of the world's leading airlines working as one."

Supporting paragraphs: Heathrow Terminal 3 Oneworld
Answer: Virgin Atlantic