Question: What industry did both Byambasuren Davaa and Sylvester Stallone work in?

full_context: Document 1: Byambasuren Davaa: Byambasuren Davaa, really Davaagiin Byambasüren (Mongolian: Даваагийн Бямбасүрэн ; born 1971 in Ulaanbaatar), is a Mongolian film maker currently residing in Germany.
Document 2: Rocky: Rocky is a 1976 American sports drama film directed by John G. Avildsen and both written by and starring Sylvester Stallone. It tells the rags to riches American Dream story of Rocky Balboa, an uneducated but kind-hearted working class Italian-American boxer working as a debt collector for a loan shark in the slums of Philadelphia. Rocky starts out as a small-time club fighter, and later gets a shot at the world heavyweight championship. The film also stars Talia Shire as Adrian, Burt Young as Adrian's brother Paulie, Burgess Meredith as Rocky's trainer Mickey Goldmill, and Carl Weathers as the champion, Apollo Creed.
Document 3: The Story of the Weeping Camel: The Story of the Weeping Camel (Mongolian: Ингэн нулимс , "Ingen nulims ", "Tears of the Camel") is a 2003 German docudrama distributed by ThinkFilm. It was released internationally in 2004. The movie was directed and written by Byambasuren Davaa and Luigi Falorni. The plot is about a family of nomadic shepherds in the Gobi Desert trying to save the life of a rare white bactrian camel ("Camelus bactrianus") calf after it was rejected by its mother.
Document 4: Rocky IV: Rocky IV is a 1985 American sports drama film written, directed by, and starring Sylvester Stallone. The film co-stars Dolph Lundgren, Burt Young, Talia Shire, Carl Weathers, Tony Burton, Brigitte Nielsen, and Michael Pataki. "Rocky IV" remained the highest grossing sports movie for 24 years before it was overtaken by "The Blind Side". It is the fourth and most financially successful entry in the "Rocky" film series.
Document 5: Dau (film): Dau is a Russian film directed by Ilya Khrzhanovsky. The film deals with the life of the Nobel Prize winning Soviet scientist Lev Landau. The movie is one of Russia's largest and most controversial cinematic projects.
Document 6: Dmitry Davydov (filmmaker): Dmitry Leonidovich Davydov (Russian: Дмитрий Леонидович Давыдов , Amga, Sakha Republic, Russia; was born February 22, 1983) is a Russian film director. His first film, "Bonfire", was screened at the 21st Busan International Film Festival, and won an award for best dramatic feature at the imagineNATIVE Film + Media Arts Festival in Toronto. It was nominated for the Asia Pacific Screen Awards. This is the first film produced in the Sakha Republic which won a festival award outside of Russia. In april 29, 2017 he won an award best film director at the national filmfestival named #DVIZHENIE (Omsk city).
Document 7: Rocky (film series): Rocky is a series of boxing films based on the eponymous, fictional character Rocky Balboa, played in each film by Sylvester Stallone. The films by order of release date are: "Rocky" (1976), "Rocky II" (1979), "Rocky III" (1982), "Rocky IV" (1985), "Rocky V" (1990), "Rocky Balboa" (2006) and "Creed" (2015). The film series has grossed more than $1.4 billion at the worldwide box office.
Document 8: The Cave of the Yellow Dog: The Cave of the Yellow Dog (Mongolian Шар нохойн там) is a 2005 Mongolian/German film written and directed by Byambasuren Davaa. The film was submitted as Mongolia's contender for the 2005 Academy Award for Best Foreign Language Film. It won the 2006 Deutscher Filmpreis Award for Best Children's Picture.
Document 9: Nature Ganganbaigal: Nature Ganganbaigal is a music performer, songwriter, producer and film music composer based in New York City. Originated from Beijing, he is of mixed Chinese and partial Mongol ancestry, and performs Mongolian Morin Khuur and throat singing. He appeared on the stage of Lincoln Center and held a sold-out concert at Carnegie Hall with Tengger Cavalry in 2015. Graduated from New York University in 2015, he held a master of music degree in film music composition.
Document 10: Sylvester Stallone: Michael Sylvester "Sly" Gardenzio Stallone ( ; ] ; born July 6, 1946) is an American actor and filmmaker. He is well known for his Hollywood action roles, including boxer Rocky Balboa, the title character of the "Rocky" series' seven films from 1976 to 2015; soldier John Rambo from the four "Rambo" films, released between 1982 and 2008; and Barney Ross in the three "The Expendables" films from 2010 to 2014. He wrote or co-wrote most of the 14 films in all three franchises, and directed many of the films.
Document 11: Rocky Balboa: Robert "Rocky" Balboa is the title character of the "Rocky" series. The character was created by Sylvester Stallone, who also portrayed him in all seven "Rocky" films. He is depicted as an everyman who started out by going the distance and overcoming obstacles that had occurred in his life and career as a professional boxer. While he is loosely based on Chuck Wepner, a one-time boxer who fought Muhammad Ali and lost on a TKO in the 15th round, the inspiration for the name, iconography and fighting style came from boxing legend Rocky Marciano.
Document 12: Rocky V: Rocky V is a 1990 American sports drama film. It is the fifth film in the "Rocky" series, written by and starring Sylvester Stallone, and co-starring Talia Shire, Stallone's real-life son Sage, and real-life boxer Tommy Morrison, with Morrison in the role of Tommy Gunn, a talented yet raw boxer. Sage played Robert Balboa, whose relationship with his famous father is explored. After Stallone directed the second through fourth films in the series, "Rocky V" saw the return of John G. Avildsen, whose direction of "Rocky" won him an Academy Award for Best Directing.
Document 13: Bui Tuan Dung: Bui Tuan Dung (born 1975) As a director working in Vietnam Feature Film Studio (Vietnam Feature Film Studio). He is one of the most successful directors in the beginning of 21st century with both genres: feature film and TV series. With the strength of topic related to war had careful selection from audience and investors, Bui Tuan Dung still has his own image and can prove his talent without using PR tools.
Document 14: Frank Stallone: Frank P. Stallone Jr. (born July 30, 1950) is an American actor, singer/guitarist and songwriter. He is the younger brother of actor Sylvester Stallone.
Document 15: First Blood: First Blood is a 1982 American action film directed by Ted Kotcheff. It was co-written by and starred Sylvester Stallone as John Rambo, a troubled and misunderstood Vietnam veteran who must rely on his combat and survival senses against the abusive law enforcement of a small town. It is based on David Morrell's 1972 novel of the same name and is the first installment of the "Rambo" series. Brian Dennehy and Richard Crenna also appear in supporting roles.
ground_truth: film