Question: What country does 2014 Winter Olympics closing ceremony and Fisht Olympic Stadium have in common?

full_context: Document 1: Russia in the Eurovision Song Contest 2014: Russia participated in the Eurovision Song Contest 2014 in Copenhagen, Denmark. The Russian entry was selected internally by the Russian broadcaster Russia-1 (RTR). The Tolmachevy Sisters, winners of the Junior Eurovision Song Contest 2006, represented Russia with the song "Shine", which qualified from the first semi-final and placed 7th in the final, scoring 89 points.
Document 2: Switzerland at the 2014 Winter Olympics: Switzerland competed at the 2014 Winter Olympics in Sochi, Russia, from 7 to 23 February 2014. 163 athletes were participating, making it the largest team Switzerland has ever sent to the Olympic Winter Games. The four-time Olympic gold medalist Simon Ammann was the flag bearer for the opening ceremony.
Document 3: 2018 Winter Olympics closing ceremony: The 2018 Winter Olympics closing ceremony will take place at Pyeongchang Olympic Stadium on February 25, 2018.
Document 4: Fisht Olympic Stadium: Fisht Olympic Stadium (Russian: Олимпийский стадион «Фишт» , "Olimpiyskiy stadion "Fisht""; ] ) is an outdoor stadium in Sochi, Russia. Located in Sochi Olympic Park and named after Mount Fisht, the 40,000-capacity stadium was constructed for the 2014 Winter Olympics and Paralympics, where it served as the venue for their opening and closing ceremonies.
Document 5: 2014 Winter Olympics opening ceremony: The opening ceremony of the 2014 Winter Olympics took place at the Fisht Olympic Stadium in Sochi, Russia, on 7 February 2014. It began at 20:14 MSK () and finished at 23:02 MSK (). It was filmed and produced by OBS and Russian host broadcaster VGTRK. This was the first Winter Olympics and first Olympic Games opening ceremony under the IOC presidency of Thomas Bach. This was also the second consecutive Winter Olympic opening ceremony to be held in an indoor stadium.
Document 6: Sochi bid for the 2014 Winter Olympics: Sochi 2014 was a successful bid by the Russian Olympic Committee to host the 2014 Winter Olympics and 2014 Winter Paralympics in Sochi, Russia. Sochi was one of seven applicants for the games, and one of three to be short-listed, along with Pyeongchang, South Korea, and Salzburg, Austria. Sochi is a resort city located on the Black Sea. The bid involved the city itself hosting ice events, while ski events were to be held at the ski resort in Krasnaya Polyana. The bid's advantages include ample hotel rooms and strong public and political support. Sochi also bid for the 2002 Winter Olympics, but failed to make the short-list.
Document 7: 2014 Winter Olympics Parade of Nations: During the Parade of Nations at the 2014 Winter Olympics opening ceremony, held beginning at 20:14 MST () on 7 February 2014, 88 athletes bearing the flags of their respective nations lead their national delegations as they paraded into the Fisht Olympic Stadium in the host city of Sochi, Russia.
Document 8: 2014 Winter Olympics medal table: The 2014 Winter Olympics, officially known as the XXII Olympic Winter Games, were a winter multi-sport event held in Sochi, Russia, from 7 February to 23 February. A total of 2,873 athletes from 88 nations participated in 98 events in 7 sports across 15 different disciplines. Of all athletes, 187 of them representing 26 different countries won medals. The Netherlands achieved four podium sweeps in the speed skating, dominating the men's 500 metres, men's 5,000 metres, men's 10,000 metres, and women's 1,500 metres, surpassing the previous record of two podium sweeps. Host nation Russia matched the Soviet Union's 1976 achievement of thirteen gold medals and achieved the leading position on the medal table, making the 2014 Winter Games the fourth where the host nation topped the gold medal count. Slovenia won its first gold medal in alpine skiing, in the first Winter Olympic gold medal tie. Luger Armin Zöggeler of Italy became the first athlete to achieve six Winter Olympic medals over six consecutive games, all achieved at the men's singles event.
Document 9: Iceberg Skating Palace: The Iceberg Skating Palace (Russian: Дворец Зимнего Спорта Айсберг) is a 12,000-seat multi-purpose arena at Sochi Olympic Park in Sochi, Russia. The venue hosted the figure skating and short track speed skating events at the 2014 Winter Olympics. It cost $43.9 million, including the temporary works for the Olympics. 15,000 tonnes of steel were used. The environment was taken into consideration in its construction. A local figure skating competition was held in October 2012 but the International Skating Union said more work was needed to be ready for the 2012–2013 Grand Prix of Figure Skating Final, a test event in December 2012. At the Grand Prix Final, competitors said they liked the venue but some spectators complained about handrails obstructing the view in the upper tier. It takes about two hours to adjust the ice when switching from figure skating to short track or vice versa.
Document 10: 2014 Winter Paralympics opening ceremony: The opening ceremony of the 2014 Winter Paralympics took place at the Fisht Olympic Stadium in Sochi, Russia, on 7 March 2014. It began at 20:14 MSK () to match the time to the year.
Document 11: 2014 Winter Paralympics Parade of Nations: During the Parade of Nations at the opening ceremony of the 2014 Winter Paralympics, athletes from each participating country paraded in the Fisht Olympic Stadium, preceded by its flag. The flag was borne by a sportsperson from that country chosen either by the National Paralympic Committee or by the athletes themselves.
Document 12: 1994 Winter Olympics closing ceremony: The 1994 Winter Olympics closing ceremony was held in Lysgårdsbakken in Lillehammer, Norway on 27 February 1994. All spectators were handed a flashlight with the inscription "Remember Sarajevo"—the host of the 1984 Winter Olympics which was at the heart of the Bosnian War. The first entrants on the stage were Liv Ullmann and Thor Heyerdal, followed by the athletes' precession. After the flag had been transferred to Nagano mayor Tasuka Tsukada, speeches were held by Lillehammer mayor Audun Tron, Gerhard Heiberg and Juan Antonio Samaranch. The latter used his speech to remind about Sarajevo's situation, before giving Heiberg IOC's gold medal, and declaring the games "the best Olympic Winter Games ever". Artistic presentations followed with many of the themes from the opening ceremony. The 1998 Winter Olympics' mascots, the Snowlets, was also presented. Of the 2,200 people performing in the opening and closing ceremonies, only 50 were professionals. The Anthems of Greece, Norway, and Japan were heard there.
Document 13: 2014 Winter Paralympics closing ceremony: The closing ceremony of the 2014 Winter Paralympics was held on 16 March 2014 at 20:14 MSK () at the Fisht Olympic Stadium in Sochi, Russia.
Document 14: 2014 Winter Olympics closing ceremony: The closing ceremony of the 2014 Winter Olympics was held on 23 February 2014 from 20:14 to 22:25 MSK () at the Fisht Olympic Stadium in Sochi, Russia. It was designed to show Russian culture, through a European perspective, and featured performances by Yuri Bashmet, Valery Gergiev, Denis Matsuev, Hibla Gerzmava, and Tatiana Samouil, among others.
Document 15: Olympic Stadium (Moscow): Olympic Stadium, known locally as the Olimpiyskiy or Olimpiski, is a large indoor arena, located in Moscow, Russia. It was built for the 1980 Summer Olympics and, divided into two separated halls, hosted the basketball and boxing events.
ground_truth: Russia