Question: Coco is a film based on an idea by which director and film editor?

Context paragraphs:
Jack Hively: Jack Hively (September 5, 1910 – December 19, 1995) was an American film editor and film and television director whose career lasted from the 1930s through the 1980s.  His father and his brother were also film editors.  He began as a film editor, before moving on to direct features.  His career was interrupted by his enlistment in the U.S. Army following the Japanese bombing of Pearl Harbor in December 1941.  After the war he returned to directing films, before moving on to directing on television.

René Le Hénaff: René Le Hénaff (24 April 1901 – 5 January 2005) was a French film editor and director.  As a film editor he did work for Marcel Carné and René Clair.  As a director one of his better known worked from 1935 to 1950.  He effectively retired from both occupations in 1968.

Howard Bretherton: Howard Bretherton (13 February 1890, Tacoma, Washington – 12 April 1969, San Diego, California) was an American film director, film editor, and the father of film editor David Bretherton.

James B. Clark (director): James B. Clark, Jr. (May 14, 1908 – July 19, 2000) was an American film director, film editor, and television director.  His career as a film editor began in 1937, and he was nominated for the Academy Award for Best Film Editing in 1941 for "How Green Was My Valley".  He continued to work as a film editor until 1960, but in 1955 also began a career as a film and television director.  He tended to focus on works involving people's relationships with animals.  Among the more popular and notable projects he directed were the films "A Dog of Flanders" (1959), "The Sad Horse" (1959), "Misty" (1961), "Flipper" (1963), "Island of the Blue Dolphins" (1964), and "My Side of the Mountain" (1969), and episodes of the television series "My Friend Flicka" (1955-1956), "Batman" (1966-1967), and "Lassie" (1969-1971).

Coco (2017 film): Coco is an upcoming American computer-animated musical fantasy film produced by Pixar Animation Studios and released by Walt Disney Pictures.  Based on an original idea by Lee Unkrich, it is being directed by Unkrich, and co-directed and written by Adrian Molina.  The story follows a 12-year-old boy named Miguel who sets off a chain of events relating to a century-old mystery, leading to an extraordinary family reunion.

Lee Unkrich: Lee Edward Unkrich (born August 8, 1967) is an American director, film editor and screenwriter.  He is a longtime member of the creative team at Pixar, where he started in 1994 as a film editor.  He later began directing, first as co-director of "Toy Story 2".  After co-directing "Monsters, Inc." and "Finding Nemo", Unkrich made his solo directorial debut with "Toy Story 3", for which he won the Academy Award for Best Animated Film in 2011.

Gabriella Cristiani: Gabriella Cristiani (born 1949) is an Italian film editor with about twenty feature film credits.  She has had a notable collaboration with director Bernardo Bertolucci.  Early in her career she assisted editor Franco Arcalli on two of Bertolucci's films, "Last Tango in Paris" (1972) and "1900" (1976).  Arcalli was the "supervising editor" on a 1977 film, "Berlinguer, I Love You", that was one of Cristiani's first feature editing credits; the film was directed by Giuseppe Bertolucci - Bernardo's brother.  Arcalli was to have edited Bernardo Bertolucci's next film, "La Luna" (1979), but he died during production; Cristiani, who was assisting, then took over as editor.

Kinoks: The Kinoks ("kino-oki," meaning cinema-eyes) were a collective of Soviet filmmakers in 1920s Russia, based most notably around film editor Dziga Vertov (pseudonym Denis Kaufman).  In 1919 Vertov and his future wife, the talented film editor Elizaveta Svilova, plus several other young filmmakers created a group called Kinoks ("kino-oki," meaning cinema-eyes).  In 1922 they were joined by Mikhail Kaufman, who had just returned from the civil war.  From 1922 to 1923 Vertov, Kaufman, and Svilova published a number of manifestos in avant-garde journals which clarified the Kinoks' positions vis-à-vis other leftist groups.

Editor's cut: An editor's cut of a motion picture is made by the film editor on their own, or working with the film director.  The editor tapes together the first cut of the film, the "editor's cut", arranging the separate takes into a coherent story according to the plan communicated by the director.  The editor's version of the film will often be as much as two hours beyond the final running time of the film.  Working from the editor's cut, decisions then need to be made, usually together with other creative staff, to improve continuity, balance the story, trim or delete scenes, etc.

Kevin Tent: Kevin Tent is an American film editor and director.  Tent has been elected to membership in the American Cinema Editors (ACE) and serves as a member of the board.  Kevin Tent is best known for being Alexander Payne's go-to film editor on films such as "Nebraska", "The Descendants", "Sideways", and "Election".  Tent has been nominated for an Academy Award for best editing for "The Descendants" and won an ACE Eddie award for the same film and received three other ACE Eddie Award nominations for "Election", "Sideways" and "About Schmidt".  In addition to his career in editing, Tent also co-directed two films, "Ultra Warrior" (1990) and "Blackbelt II" (1993), and directed the 2017 film "Crash Pad".

Supporting paragraphs: Coco (2017 film) Lee Unkrich
Answer: Lee Edward Unkrich