Question: Feiyu Show and The War at Home are both what style of film?

full_context: Document 1: Body of War: Body of War is a 2007 documentary portraying Iraq War veteran Tomas Young. "Bill Moyers Journal" featured a one-hour special about Body of War including interviews with filmmakers Ellen Spiro and Phil Donahue.
Document 2: El Salvador: Another Vietnam: El Salvador: Another Vietnam is a 1981 American documentary film directed by Glenn Silber. This political documentary illustrates the turbulent history of El Salvador from the 1920s-1970s, and the role of the U.S. government in that history. As the title suggests, the presence of U.S. military advisors in a military dictatorship fighting guerrilla factions that are labeled communist is highly reminiscent of the beginnings of the U.S. escalation of the war in Vietnam. It was nominated for the Academy Award for Best Documentary Feature.
Document 3: Sun Honglei: Sun developed an interest in acting and performances at a young age. He often skipped school to learn breakdancing on the streets and eventually gave up his studies entirely to pursue dancing as a career, eventually performing with a modern dance troupe for several years. Later, Sun became a popular local nightclub singer and host before going into acting. In 1995, Sun attended the Central Academy of Drama, where he graduated in 1997. He has since gone on to star in numerous TV dramas and films, winning many awards for his stage work. Sun is probably best known to Asian cinema fans for his supporting performances in "Seven Swords", "Triangle" and "Blood Brothers". Since October 2011, Sun has played the starring role in the popular Chinese series 'Nanren Bang' (男人帮), portraying urban romantic life from a male perspective.
Document 4: Winter Soldier Investigation: The "Winter Soldier Investigation" was a media event sponsored by the Vietnam Veterans Against the War (VVAW) from January 31, 1971, to February 2, 1971. It was intended to publicize war crimes and atrocities by the United States Armed Forces and their allies in the Vietnam War. The VVAW challenged the morality and conduct of the war by showing the direct relationship between military policies and war crimes in Vietnam. The three-day gathering of 109 veterans and 16 civilians took place in Detroit, Michigan. Discharged servicemen from each branch of military service, as well as civilian contractors, medical personnel and academics, all gave testimony about war crimes they had committed or witnessed during the years 1963–1970.
Document 5: Sun Yu (director): Sun Yu (March 21, 1900 – July 11, 1990) was a major leftist film director active in the 1930s in Shanghai. One of the core directors of the Lianhua Film Company, Sun Yu made a name for himself with a series of socially conscious dramas in the early to mid-1930s. After the Japanese invasion of China in 1937, Sun Yu made his way to the interior, where he continued to make films glorifying the war effort against the Japanese.
Document 6: Reflections of China: Reflections of China is a Circle-Vision 360° movie at the China Pavilion at Epcot, part of Epcot's World Showcase at Walt Disney World Resort in Florida. The show is narrated by an actor playing Li Bai, an ancient Chinese poet, who takes the viewer on a tour of the Chinese countryside and historical structures and buildings. Some sites that are seen are The Great Wall of China, The Forbidden City in Beijing, Hunan, Guilin, Suzhou, Hong Kong, and Shanghai.
Document 7: Tie Xi Qu: West of the Tracks: Tie Xi Qu: West of the Tracks is a 2003 Chinese documentary film by Wang Bing. Over 9 hours long, the film consists of three parts; "Rust," "Remnants" and "Rails."
Document 8: Fei Mu: Fei Mu (1906–1951) was a major Chinese film director of the pre-Communist era. His "Spring in a Small Town" (1948) was declared the greatest Chinese film ever made by the Hong Kong Film Critics Society.
Document 9: China From Above: China From Above is a Chinese-American documentary television series premiered on September 24, 2015, on National Geographic Channel. It was produced by National Geographic Channel and the China Intercontinental Communication Center. The broadcast is narrated by Andres Williams. The documentary consists of two episodes, episode one features China's ancient civilization with a fascinating history dating back thousands of years; episode two takes to the air to reveal how modern China lives, eats, works, travels, and plays on a mega scale.
Document 10: Feiyu Show: Feiyu Show () is a 2014 Chinese documentary film directed by Sun Hong. It was released in China on October 23, 2014.
Document 11: The War at Home (1979 film): The War at Home is a documentary film about the anti-war movement in the Madison, Wisconsin area during the time of the Vietnam War. It combines archival footage and interviews with participants that explore the events of the period on the University of Wisconsin–Madison campus. The film was nominated for an Academy Award for Best Documentary Feature.
Document 12: Zhou Bing: Zhou Bing (simplified Chinese: 周兵; pinyin: Zhōu Bing , Zhoubing ; born 1 April 1968), famous Chinese documentary director, a PhD from History College of Nankai University, have successively served as the column scenarist and special program production manager of the program titled with “Oriental Biography” and director of special program division of CND Film Group. Zhou Bing was titled with annual director of Chinese documentary film for three times, and the documentary films created and produced by him amounts to 100 hundred units. His masterpieces including Palace, Dun Huang and "Road of Millenia Bodhi were" aired on CCTV, National Geographic, SKY TV, History Channel, Arte, and NDR. Currently he establishes Beijing Oriental Elites Culture Development Co Ltd and works with Tiong Hiew King, the datuk of Tan Sri, Malaysia to setup Sun Media International Co. Ltd and Zero Media International Co. Ltd. Zhou Bing attempted to join in the development of industrialization process of documentary films with the identity of independent directors. Zhou Bing is also a Adjunct Professor in the Department of Media and Communication of City University of Hong Kong. It is art dream of Mr Zhou who has been desiring to realize through images to broadcast Chinese culture and to build oriental aesthetic approach with the images recognized by the world.
Document 13: Home for Life: Home for Life, the founding documentary of Kartemquin Films released in 1967, depicts the experiences of two elderly people in their first month at a home for the aged. One is a woman whose struggle to remain useful in her son and daughter-in-law's home is no longer appreciated. The other is a widower, without a family, who suddenly realizes he can no longer take care of himself. The film offers an unblinking look at the feelings of the two new residents in their encounters with other residents, medical staff, social workers, psychiatrists and family. A touching, sometimes painfully honest dramatic experience, it is valuable for in-service staff training, and for all other audiences both professional and non-professional, interested in the problems of the aged.
Document 14: Fahrenheit 9/11 controversies: The content of the 2004 documentary film "Fahrenheit 9/11" generated controversy before, during, and after its release a few months prior to the 2004 U.S. presidential election. The film, directed by Michael Moore, criticizes the Bush administration's attempt to pursue Osama bin Laden in the aftermath of the September 11, 2001, attacks, as well as the Iraq War. Although "Fahrenheit 9/11" was generally praised by film critics and won various awards, several other commentators criticized the film for factual and contextual inaccuracies.
Document 15: The Fog of War: The Fog of War: Eleven Lessons from the Life of Robert S. McNamara is a 2003 American documentary film about the life and times of former U.S. Secretary of Defense Robert S. McNamara illustrating his observations of the nature of modern warfare. The film was directed by Errol Morris and features an original score by Philip Glass. The title derives from the military concept of the "fog of war" depicting the difficulty of making decisions in the midst of conflict.
ground_truth: documentary