Question: Deniz Gamze Ergüven's debut film depicts the lives of how many sisters?

full_context: Document 1: Kenan Korkmaz: Kenan Korkmaz (born April 21, 1969 in Diyarbakır, Turkey) is a Turkish filmmaker, educated at Çukurova University where he has also lectured in cinematography and photography. His first feature film, Lüks Otel (The Luxury Hotel) won the 2011 award Golden Orange for Best Cinematographer and the jury´s special awards for Best Film and Best Music at the 48th International Antalya Golden Orange Film Festival. Korkmaz was the director of photography for the 2013 feature film Yola Çikmak (Take the Road) directed by Evren Erdem. For the 2014 feature film Gittiler 'Sair ve Mechul'"""" (Gone 'The Other and the Unknown´""), Korkmaz was responsible for script, directing, photography and editing.
Document 2: Girlhood (film): Girlhood (French: Bande de filles , "Gang of Girls") is a 2014 French drama film directed by Céline Sciamma, starring Karidja Touré. It is a coming of age film that focuses on the life of Marieme (Karidja Touré), a girl who lives in a rough neighborhood right outside of Paris The film discusses and challenges conceptions of race, gender and class; Sciamma's goal was to capture the stories of black teenagers, characters she claims are generally underdeveloped in French films. It was screened as part of the Directors' Fortnight section of the 2014 Cannes Film Festival. It was also screened in the Contemporary World Cinema section at the 2014 Toronto International Film Festival. It received four nominations at the 40th César Awards, including Best Director for Céline Sciamma and Most Promising Actress for Karidja Touré.
Document 3: Majority (film): Majority (Turkish: "Çoğunluk" ) is a 2010 Turkish drama film directed by Seren Yüce, which tells the story of a middle class young man rebelling against his father's brutish authority while seeking a rough romance with a woman of ethnic minority. The film, which went on nationwide general release across Turkey on  15, 2010 (2010--) , won several Golden Orange awards at the 47th International Antalya Golden Orange Film Festival and was premiered at the 67th Venice International Film Festival, where it won the award for best debut film. Hürriyet Daily News reporter Vercihan Zilioğlu wrote that, "The director's moral tale draws on the example of today's Turkish youth and the timeless shadow of fathers over sons," and Today's Zaman reviewer Emine Yıldırım concludes that this is, "one of the rawest and truest stories from our society," and "As Yüce’s hardcore realism shows us, love sometimes does not conquer all when individuals chose to become part of the herd."
Document 4: Mustafa (film): Mustafa is a 2008 Turkish biographical documentary about Mustafa Kemal Atatürk, the founder and first president of the Republic of Turkey, which was written and directed by Can Dündar. The film, which controversially concentrates on Atatürk's personal life, is the first documentary covering Atatürk's life from his early years to his death. It was released on Republic Day, 2008, to coincide with the 85th anniversary of the foundation of the Turkish Republic.
Document 5: Deniz Gamze Ergüven: Deniz Gamze Ergüven (born 4 June 1978) is a Turkish-French film director best known for her debut film "Mustang".
Document 6: Don't Let Them Shoot the Kite: Don't Let Them Shoot the Kite (Turkish: "Uçurtmayı Vurmasınlar" ) is a 1989 Turkish drama film, co-written, co-produced and directed by Tunç Başaran based on a story by Feride Çiçekoğlu, featuring Nur Sürer as a female political prisoners who befriends the child of a fellow inmate. The film was screened in competition at the 26th Antalya Golden Orange Film Festival, where it won Golden Oranges for Best Film, Best Actress, Best Screenplay and Best Cinematography, the 10th Mediterranean International Film Festival, where it won 2nd Best Film, and the 8th Istanbul International Film Festival, where it won Best Turkish Film. The film was selected as the Turkish entry for the Best Foreign Language Film at the 62nd Academy Awards, but was not accepted as a nominee.
Document 7: Dukhtar: Dukhtar (Urdu: ‎ ; English: "Daughter") is a 2014 Pakistani drama-thriller film directed by Afia Nathaniel. The film stars Samiya Mumtaz, Mohib Mirza, Saleha Aref, Asif Khan, Ajab Gul and Samina Ahmad. The film is Afia Nathaniel's feature directorial debut; she also wrote and produced the film. It is the story of a mother and her ten-year-old daughter, who leave their home to save the girl from an arranged marriage to a tribal leader.
Document 8: 1915 (film): 1915 is a 2015 psychological thriller film co-written and directed by Garin Hovannisian and Alec Mouhibian. It is produced by Hovannisian and Mouhibian with Terry Leonard, and stars Simon Abkarian, Angela Sarafyan, Samuel Page, and Nikolai Kinski, along with Jim Piddock. "1915" follows a mysterious theater director in present-day Los Angeles as he stages a controversial play to bring the ghosts of a forgotten tragedy back to life. The title refers to the Armenian Genocide. The film also features the first original film score by Serj Tankian, the Grammy-winning frontman of System of a Down.
Document 9: Cinema of Turkey: Yeşilçam (literally means "The Green Pine" in Turkish language) (] ) is the sobriquet that refers to the Turkish film art and industry. It is an important part of Turkish culture, and has flourished over the years, delivering entertainment to audiences in Turkey, expatriates across Europe, and more recently prospering in the Arab world and in rare cases, the United States. The first movie exhibited in the Ottoman Empire was the Lumiere Brothers' 1895 film, "L'Arrivée d'un train en gare de La Ciotat", which was shown in Istanbul in 1896. The first Turkish-made film was a documentary entitled "Ayastefanos'taki Rus Abidesinin Yıkılışı" ("Demolition of the Russian Monument at San Stefano"), directed by Fuat Uzkınay and completed in 1914. The first narrative film, Sedat Simavi's "The Spy", was released in 1917. Turkey's first sound film was shown in 1931.
Document 10: The Turin Horse: The Turin Horse (Hungarian: A torinói ló ) is a 2011 Hungarian philosophical drama film directed by Béla Tarr and Ágnes Hranitzky, starring János Derzsi, Erika Bók and Mihály Kormos. It was co-written by Tarr and his frequent collaborator László Krasznahorkai. It recalls the whipping of a horse in the Italian city Turin which is rumoured to have caused the mental breakdown of philosopher Friedrich Nietzsche. The film is in black-and-white, shot in only 30 long takes by Tarr's regular cameraman Fred Kelemen, and depicts the repetitive daily lives of the horse-owner and his daughter.
Document 11: Mustang (film): Mustang is a 2015 internationally co-produced drama film directed by Turkish-French film director Deniz Gamze Ergüven. The film is set in a remote Turkish village and depicts the lives of five young orphaned sisters and challenges they face growing up as girls in a conservative society. The event that triggers the family backlash against the five sisters at the beginning of the film is based on Ergüven's personal life.
Document 12: Duma (2005 film): Duma is a 2005 American family drama adventure film about a young South African boy's friendship with an orphaned cheetah from a story by Carol Flint and Karen Janszen, set in the country of South Africa and based on "How It Was with Dooms" by Carol Cawthra Hopcraft and Xan Hopcraft. It was distributed by Warner Bros. Pictures, Gaylord Films and C.O.R.E., directed by Carroll Ballard (director of "The Black Stallion" and "Fly Away Home"), produced by Gaylord Films, Warner Bros., John Wells Productions, Pandora Pictures, Stacy Cohen, E.K. Gaylord II, Kristin Harms, Hunt Lowry and John Wells, written by Karen Janszen and Mark St. Germain, edited by T.M. Christopher, cinematographed by Werner Maritz with music by George Acogny and John Debney and starring Alexander Michaletos, Eamonn Walker, Campbell Scott and Hope Davis. The film was theatrically released on April 22, 2005 by Warner Bros. Pictures, Gaylord Films and C.O.R.E.. The film went on receiving very positive reviews from critics and it earned $994,790 on a $12 million budget. The film won the Family Feature Film at the Genesis Awards in 2006. The film was rated PG for mild adventure peril. "Duma" was released on DVD on May 16, 2006 by Warner Bros. Entertainment.
Document 13: 2014 Cannes Film Festival: The 67th Cannes Film Festival was held from 14 to 25 May 2014. New Zealand film director Jane Campion was the head of the jury for the main competition section. The Palme d'Or was awarded to the Turkish film "Winter Sleep" directed by Nuri Bilge Ceylan.
Document 14: Fatma Begum: Fatma Begum was an Indian actress, director, and screenwriter. She is often considered the first female film director of Indian cinema. Within four years, she went on to write, produce and direct many films. She launched her own production house, Fatma Films, and directed Bulbul-e-Paristan in 1926. She lived from 1892-1983 and was mother to three children.
Document 15: Fatih Akin: Fatih Akin (Turkish: "Fatih Akın" , born 25 August 1973) is a German film director, screenwriter and producer. He is of Turkish descent.
ground_truth: five