Question: Otaku Unite! and Moana, are of which genre?

full_context: Document 1: The Otaku Encyclopedia: The Otaku Encyclopedia is a 2009 encyclopedia written by Patrick Galbraith and published by Kodansha which provides an overview of anime and manga fandom topics, and interviews and profiles of important people in Japanese fandom.
Document 2: A Brony Tale: A Brony Tale (originally titled Brony) is a 2014 Canadian-American documentary film directed by Brent Hodge. The film explores the brony phenomenon, the adult fan base of the children's animated show "" that arose shortly after its premiere in 2010. The film is structured around the journey of Ashleigh Ball, one of the principal voice actresses for the show, including her initial reactions to learning of this older fanbase, and her travel as a Guest of Honor to one of the first fan conventions BronyCon held in New York City in 2012. Hodge, a close friend of and previous collaborator with Ball, was curious as she was as to this phenomenon and opted to film her travel and appearance at the convention for the documentary.
Document 3: Man of Aran: Man of Aran is a 1934 Irish fictional documentary (ethnofiction) film directed by Robert J. Flaherty about life on the Aran Islands off the western coast of Ireland. It portrays characters living in premodern conditions, documenting their daily routines such as fishing off high cliffs, farming potatoes where there is little soil, and hunting for huge basking sharks to get liver oil for lamps. Some situations are fabricated, such as one scene in which the shark fishermen are almost lost at sea in a sudden gale. Additionally, the family members shown are not actually related, having been chosen from among the islanders for their photogenic qualities.
Document 4: Moana (1926 film): Moana (] ) is a 1926 American documentary film, or more strictly a work of "docufiction" that was directed by Robert J. Flaherty, the creator of "Nanook of the North" (1922).
Document 5: Shrek on the Internet: DreamWorks' "Shrek" film series, based on William Steig's book of the same name, has a large underground Internet fandom that started around 2009. With the fanbase described by some people as an ironic liking towards the series, there have been several sexually explicit memes based on the title character. The most notable example is a 2013 metameme centered on a video called ""Shrek Is Love, Shrek Is Life,"" which is based on a post originating on 4chan's /b/ board. Fans of Shrek are known as "Brogres", a take on the name "Bronies", the teen and adult fans of the show "". A "Shrek Filmmaker" movement of Source Filmmaker animators making videos based on the Internet's obsession towards the character has also occurred. According to "New York", Shrek was "one of the patron saints of the elaborate and complex culture of Dank Memedom."
Document 6: From Impressionism To Anime: From Impressionism To Anime: Japan As Fantasy And Fan Cult In The Western Imagination is a scholarly book by Susan J. Napier published in 2007 by Palgrave Macmillan. It connects Japanophilia, Orientalism, Japonisme and modern anime and manga fandom.
Document 7: List of accolades received by Moana (2016 film): "Moana" is a 2016 American 3D computer-animated musical fantasy comedy adventure film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. The film was directed by Ron Clements and John Musker, with Don Hall and Chris Williams as co-directors. Starring the voices of Auli'i Cravalho and Dwayne Johnson, the film focuses on the story of Moana, the strong-willed daughter of the chief in a Polynesian tribe, who is chosen by the ocean itself to reunite a mystical relic with a goddess. When a blight strikes her island, Moana sets sail in search of Maui, a legendary demigod, in the hope of saving her people. The film had its world premiere at El Capitan Theatre in Los Angeles on November 14, 2016 and was released to theaters on November 23, 2016. The review aggregator Rotten Tomatoes reported 96% positive film-critic reviews, based on 218 reviews, with an average rating of 7.9/10 and Metacritic gave a score of 81 out of 100, based on 44 reviews.
Document 8: Tabu: A Story of the South Seas: Tabu: A Story of the South Seas, sometimes simply called Tabu (] ), is a 1931 silent film directed by F.W. Murnau, a docufiction. The film is split into two chapters. The first, called "Paradise", depicts the lives of two lovers on a South Seas island until they are forced to escape the island when the girl is chosen as a holy maid to the gods. The second chapter, "Paradise Lost", depicts the couple's life on a colonised island and how they adapt to and are exploited by Western civilisation. The title of the film comes from the Polynesian concept of "tapu" (spelled "tabu" in Tongan before 1943), from which is derived the English word "taboo."
Document 9: List of documentary films: This is an alphabetical list of documentary films with Wikipedia articles. The earliest documentary listed is "Fred Ott's Sneeze" (1894), which is also the first motion picture ever copyrighted in North America. The term "documentary" was first used in 1926 by filmmaker John Grierson as a term to describe films that document reality. For other lists, see and .
Document 10: John Grierson: John Grierson CBE (26 April 1898 – 19 February 1972) was a pioneering Scottish documentary maker, often considered the father of British and Canadian documentary film. In 1926, Grierson coined the term "documentary" in a review of Robert Flaherty's "Moana".
Document 11: Robert J. Flaherty: Robert Joseph Flaherty, FRGS ( ; February 16, 1884 – July 23, 1951) was an American filmmaker who directed and produced the first commercially successful feature-length documentary film, "Nanook of the North" (1922). The film made his reputation and nothing in his later life fully equaled its success, although he continued the development of this new genre of narrative documentary, e.g. with "Moana" (1926), set in the South Seas, and "Man of Aran" (1934), filmed in Ireland's Aran Islands. He is considered the "father" of both the documentary and the ethnographic film.
Document 12: Otaku Unite!: Otaku Unite! is a 2004 documentary film by Eric Bresler on American fans of Japanese culture, specifically anime and manga, known as Otaku.
Document 13: Otaku: Otaku (おたく/オタク ) is a Japanese term for people with obsessive interests, commonly the anime and manga fandom. Its contemporary usage originated with Akio Nakamori's 1983 essay in "Manga Burikko". "Otaku" may be used as a pejorative; its negativity stems from the stereotypical view of otaku and the media's reporting on Tsutomu Miyazaki, "The Otaku Murderer", in 1989. According to studies published in 2013, the term has become less negative, and an increasing number of people now self-identify as otaku.
Document 14: Anime and manga fandom: Anime and manga fandom (otherwise known as fan community) is a worldwide community of fans of anime and manga. Anime includes animated series, films and videos, while manga includes Manga, graphic novels, drawings, and related artwork. They have their origin in Japanese entertainment, but the style and culture has spread worldwide since its introduction into the West in the 1990s.
Document 15: Moana (2016 film): Moana ( ) is a 2016 American 3D computer-animated musical fantasy-adventure film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. It is the 56th Disney animated feature film. Directed by Ron Clements and John Musker, co-directed by Don Hall and Chris Williams, the film introduces Auli'i Cravalho as Moana and features the voices of Dwayne Johnson, Rachel House, Temuera Morrison, Jemaine Clement, Nicole Scherzinger, and Alan Tudyk. The film features music written by Lin-Manuel Miranda, Opetaia Foa'i, and Mark Mancina.
ground_truth: documentary