Question: Errol Morris and Bent Hamer both have what occupation?

full_context: Document 1: Mark Jonathan Harris: Mark Jonathan Harris (born 1941) is an American documentary filmmaker probably best known for his films "" (2000) and "The Long Way Home" (1997). He has directed three documentaries which have gone on to win Oscars, across three different decades.
Document 2: 1001 Grams: 1001 Grams (Norwegian: 1001 Gram ) is a 2014 Norwegian drama film written and directed by Bent Hamer. It was selected as the Norwegian entry for the Best Foreign Language Film at the 87th Academy Awards, but was not nominated.
Document 3: Robert Benton: Robert Douglas Benton (born September 29, 1932) is an American screenwriter and film director. He won the Oscars for Best Adapted Screenplay and Best Director for "Kramer vs. Kramer" (1979) and won a third Oscar for Best Original Screenplay for "Places in the Heart" (1984).
Document 4: Music from the Motion Picture O'Horten: With the tragicomedy O'Horten, Norwegian writer-director Bent Hamer (Factotum, Kitchen Stories) returns to his domestic landscapes, off-beat humanism and stylistic quirks of earlier works. The bittersweet episodic tale of an ultra-dedicated locomotive engineer uneasily transitioning into retirement provides warm and gently humorous entertainment. At the age of 67, loner (but not lonely) Odd Horton (Bard Owe) is forced to step down from his engine-driving job. An encounter with Trygve Sissener (Espen Skjonberg), an elderly gent with a cheerful "it's never too late" philosophy, inspires Horten to finally take off his uniform and open himself to things he never previously tried.
Document 5: The Thin Blue Line (1988 film): The Thin Blue Line is a 1988 American documentary film by Errol Morris, depicting the story of Randall Dale Adams, a man convicted and sentenced to death for a murder he did not commit. Adams's case was reviewed and he was released from prison approximately a year after the film's release.
Document 6: Gordon Quinn: Gordon Quinn is Artistic Director and founding member of Kartemquin Films and a 2007 recipient of the MacArthur Award for Creative and Effective Institutions. Gordon Quinn has been making documentaries for over 45 years and has produced or directed over 30 films. His recent directing credits include "Prisoner of Her Past" and "A Good Man". His producing credits include the films "Hoop Dreams"; "In the Family";"Vietnam, Long Time Coming"; "Golub: Late Works Are the Catastrophes"; "5 Girls"; "Refrigerator Mothers"; and "Stevie". Most recently, Gordon executive produced "" and "The New Americans", for which he directed the Palestinian segment. Currently, he is executive producing several new films for Kartemquin.
Document 7: Bent Hamer: Bent Hamer (born 18 December 1956) is a film director, writer and producer, born in Sandefjord, Norway in 1956.
Document 8: Errol Morris: Errol Mark Morris (born February 5, 1948) is an American film director primarily of documentaries examining and investigating, among other things, authorities and eccentrics. He is perhaps best known for his 1988 documentary "The Thin Blue Line", commonly cited among the best and most influential documentaries ever made. In 2003, his documentary film "" won the Academy Award for Best Documentary Feature.
Document 9: Judith Ehrlich: Judith Ehrlich is an American film director. She is best known for co-directing the 2009 documentary "The Most Dangerous Man in America" which was nominated for Best Documentary Feature at the 82nd Academy Awards and was screened at the 2009 Toronto International Film Festival.
Document 10: Joachim Trier: Joachim Trier (born 1974) is a Norwegian film director raised in Oslo, Norway. His father Jacob Trier was the sound technician of "Pinchcliffe Grand Prix", a notable film produced in Norway. He is a distant relative to Danish director Lars von Trier.
Document 11: Nubar Alexanian: Nubar Alexanian is a documentary photographer whose work has been featured in major magazines in the United States and Europe including "The New York Times Magazine", "Life", "Fortune", "GEO", "Time" and "Newsweek". For the past 35 years he has travelled to more than 30 countries focusing on long term personal projects which describe the human condition. In 2008 he completed his fifth book, "NONFICTION" PHOTOGRAPHS BY NUBAR ALEXANIAN FROM THE FILM SETS OF ERROL MORRIS, (Walker Creek Press) a 15-year collaboration with filmmaker Errol Morris. Solo exhibitions of this work have been shown at The Walker Art Center, The Corcoran Gallery of Art, Caren Golden Fine Art Gallery (NYC) The Atlanta Contemporary Art Center, The LOOK3 Festival, and Clark University.
Document 12: 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.
Document 13: Capturing the Friedmans: Capturing the Friedmans is a 2003 HBO documentary film directed by Andrew Jarecki. It focuses on the 1980s investigation of Arnold and Jesse Friedman for child molestation. It was nominated for the Academy Award for Documentary Feature in 2003.
Document 14: O' Horten: O' Horten is a 2007 Norwegian language film directed by Bent Hamer. The film's title character Odd Horten is a habit-bound train driver, who is about to retire. On the day of his retirement he ends up in an unexpected situation, and is forced to reconsider his life. As in other films by Hamer, the themes are loneliness and old age, and the courage to take chances. "O' Horten" has been described as a film without a strong plot or a clear chronology.
Document 15: Erik Poppe: Erik Poppe (born 24 June 1960) is a Norwegian film director, screenwriter and former cinematographer and press photographer. Poppe started his career as a photographer for the newspaper "Verdens Gang". He graduated as a cinematographer at the Dramatiska Institutet in Stockholm, Sweden in 1989, and worked as a cinematographer for commercials. He was director of photography on Bent Hamer's film "Eggs".
ground_truth: film director