Question: Are Monte Hellman and John G. Blystone both american writers?

full_context: Document 1: John G. Blystone: John G. Blystone (December 2, 1892 – August 6, 1938) was an American film director. He directed 100 films between 1915 and 1938. He was born in Rice Lake, Wisconsin and died in Los Angeles, California from a heart attack. His grave is located at Valhalla Memorial Park Cemetery.
Document 2: Lloyd Bacon: Lloyd Francis Bacon (December 4, 1889 – November 15, 1955) was an American screen, stage and vaudeville actor and film director. As a director he made films in virtually all genres, including westerns, musicals, comedies, gangster films, and crime dramas. He was one of the directors at Warner Bros. in the 1930s who helped give that studio its reputation for gritty, fast-paced "torn from the headlines" action films.
Document 3: The Man from Hell's Edges: The Man from Hell's Edges (also known as El Lobo) is a 1932 American Pre-Code short Western film directed and written by Robert N. Bradbury for Trem Carr Pictures. It was released in the United States on June 15, 1932.
Document 4: Frankenstein and the Monster from Hell: Frankenstein and the Monster From Hell is a 1974 British horror film, directed by Terence Fisher and produced by Hammer Film Productions. It stars Peter Cushing, Shane Briant and David Prowse. Filmed at Elstree Studios in 1972 but not released until 1974, it was the final chapter in the "Hammer Frankenstein" saga of films as well as director Fisher's last film.
Document 5: Monte Hellman: Monte Hellman (born July 12, 1932) is an American film director, producer, writer, and editor. Hellman began his career as an editor's apprentice at ABC TV, and made his directorial debut with the horror film "Beast from Haunted Cave" (1959), produced by Roger Corman.
Document 6: Hal Ashby: Hal Ashby (September 2, 1929 – December 27, 1988) was an American film director and editor associated with the New Hollywood wave of filmmaking.
Document 7: Roger Corman: Roger William Corman (born April 5, 1926) is an American independent film producer, director, screenwriter, entertainment businessman, and actor. He has been called "The Pope of Pop Cinema" and is known as a trailblazer in the world of independent film. Much of Corman's work has an established critical reputation, such as his cycle of low budget cult films adapted from the tales of Edgar Allan Poe. Admired by members of the French New Wave and "Cahiers du cinéma", in 1964 Corman was the youngest filmmaker to have a retrospective at the Cinémathèque Française, as well as the British Film Institute and the Museum of Modern Art. He was the co-founder of New World Pictures, a prolific multimedia company that helped to cement Fox as a major American television network, and is a long-time member of the Academy of Motion Picture Arts and Sciences. In 2009, he was awarded an Honorary Academy Award.
Document 8: Gordon Douglas (director): Gordon Douglas (December 15, 1907 – September 29, 1993) was an American film director, who directed many different genres of films over the course of a five-decade career in motion pictures. He was a native of New York City.
Document 9: John M. Stahl: John Malcolm Stahl (January 21, 1886 – January 12, 1950) was an American film director and producer.
Document 10: Buster Keaton: Joseph Frank "Buster" Keaton (October 4, 1895 – February 1, 1966) was an American actor, comedian, film director, producer, screenwriter, and stunt performer. He was best known for his silent films, in which his trademark was physical comedy with a consistently stoic, deadpan expression, earning him the nickname "The Great Stone Face." Critic Roger Ebert wrote of Keaton's "extraordinary period from 1920 to 1929, [when] he worked without interruption on a series of films that make him, arguably, the greatest actor–director in the history of the movies". His career declined afterward with a dispiriting loss of his artistic independence when he was hired by Metro-Goldwyn-Mayer and he descended into alcoholism, ruining his family life. He recovered in the 1940s, remarried, and revived his career to a degree as an honored comic performer for the rest of his life, earning an Academy Honorary Award in 1959.
Document 11: Verna Fields: Verna Fields (née Hellman; 21 March 1918 – 30 November 1982) was an American film editor, film and television sound editor, educator, and entertainment industry executive. In the first phase of her career, from 1954 through to about 1970, Fields mostly worked on smaller projects that gained little recognition. She was the sound editor for several television shows in the 1950s. She worked on independent films (including "The Savage Eye" (1959)), on government-supported documentaries of the 1960s, and on some minor studio films such as Peter Bogdanovich's first film, "Targets" (1968). For several years in the late 1960s, she was a film instructor at the University of Southern California. Her one major studio film, "El Cid", led to her only industry recognition in this phase of her career, which was the 1962 Golden Reel award for sound editing.
Document 12: F. Richard Jones: Frank Richard Jones (September 7, 1893 – December 14, 1930) was an American director and producer.
Document 13: John Ford filmography: John Ford (1894–1973) was an American film director whose career spanned from 1913 to 1971. During this time he directed more than 140 films. Born in Maine, Ford enter the filmmaking industry shortly after graduating from high school with the help of his older brother, Francis Ford, who had established himself as a leading man and director for Universal Studios. After working as an actor, assistant director, stuntman, and prop man – often for his brother – Universal gave Ford the opportunity to direct in 1917. Initially working in short films, he quickly moved into features, largely with Harry Carey as his star. In 1920 Ford left Universal and began working for the Fox Film Corporation. During the next ten years he directed more than 30 films, including the westerns "The Iron Horse" (1924) and "3 Bad Men" (1926), both starring George O'Brien, the war drama "Four Sons" and the Irish romantic drama "Hangman's House" (both 1928 and both starring Victor McLaglen). In the same year of these last two films, Ford directed his first all-talking film, the short "Napoleon's Barber". The following year he directed his first all-talking feature, "The Black Watch".
Document 14: Clarence Brown: Clarence Leon Brown (May 10, 1890 – August 17, 1987) was an American film director.
Document 15: Hell Night: Hell Night is a 1981 American slasher film directed by Tom DeSimone, written by Randy Feldman, and starring Linda Blair. The film depicts a night of fraternity hazing (hell night) set in an old manor, during which a deformed maniac terrorizes and murders many of the college students. The film also blends elements of slasher films and haunted house-themed films. Director Chuck Russell served as an executive producer, while his long-time collaborator Frank Darabont served as a production assistant.
ground_truth: no