Question: Are Hrafn Gunnlaugsson and Lo Wei both film directors ?

full_context: Document 1: Bruce Lee: Lee Jun-fan (; November 27, 1940 – July 20, 1973), known professionally as Bruce Lee, was a Hong Kong and American actor, film director, martial artist, martial arts instructor, philosopher and founder of the martial art Jeet Kune Do. Lee was the son of Cantonese opera star Lee Hoi-chuen. He is widely considered by commentators, critics, media, and other martial artists to be one of the most influential martial artists of all time, and a pop culture icon of the 20th century. He is often credited with helping to change the way Asians were presented in American films.
Document 2: Sveinn Ólafur Gunnarsson: Sveinn Ólafur Gunnarsson is an award winning Icelandic stage and film actor who starred in and co-wrote 2011's "Either Way", Ragnar Bragason's "Metalhead" and Baltasar Kormákur's "The Deep". Gunnarsson stars in the film Rams which premiered in the Un Certain Regard section at the 2015 Cannes Film Festival. He also stars in the upcoming American film "Autumn Lights".
Document 3: Hrafn Gunnlaugsson: Hrafn Gunnlaugsson (born 17 June 1948) is an Icelandic film director. He is the brother of mathematician Þorvaldur Gunnlaugsson and the lawyer Snædís Gunnlaugsdóttir and the actress Tinna Gunnlaugsdóttir. He is mostly known for his series of Viking films, sometimes called "Cod Westerns". He was married to Edda Kristjánsdóttir and they have four children: Kristján born 1968 who is a poet and playwright, Tinna who is an actress, Sól who is an art designer and Örk who is an artist and was born in 1993. He won the award for Best Director at the 20th Guldbagge Awards for "When the Raven Flies".
Document 4: Guðný Halldórsdóttir: Guðný Halldórsdóttir (born 23 January 1954) is an Icelandic film director and screenwriter. She has directed eight films since 1984. Her 2007 film "The Quiet Storm" was entered into the 30th Moscow International Film Festival. Her father was writer and 1955 Nobel prize winner Halldór Laxness, while her mother was writer and textile designer Auður Laxness.
Document 5: The Loot: The Loot is 1980 martial art comedy movie directed by Eric Tsang and starring David Chiang and Philip Ko. Alongside with Eric's first movie debut "The Challenger" (1979), this was his second director's debut and consider to be known as one of David Chiang's knowable work.
Document 6: Jackie Chan: Chan Kong-sang, SBS, MBE, PMW, (陳港生 ; born 7 April 1954), known professionally as Jackie Chan, is a Hong Kong martial artist, actor, film director, producer, stuntman, and singer. In his movies, he is known for his acrobatic fighting style, comic timing, use of improvised weapons, and innovative stunts, which he typically performs himself. He has trained in Kung Fu and Hapkido. He has been acting since the 1960s and has appeared in over 150 films.
Document 7: Lee Hoi-chuen: Lee Moon-shuen (4 February 1901 – 7 February 1965) known professionally as Lee Hoi-chuen, was a Hong Kong Cantonese opera singer and film actor. He was the father of Bruce Lee, the father-in-law of Linda Lee Caldwell, and also the paternal grandfather of Brandon Lee and Shannon Lee.
Document 8: In the Shadow of the Raven: In the Shadow of the Raven (Icelandic: Í skugga hrafnsins (   )) is the title of a 1988 film by Hrafn Gunnlaugsson, set in Viking Age Iceland. The film was selected as the Icelandic entry for the Best Foreign Language Film at the 61st Academy Awards, but was not accepted as a nominee.
Document 9: Lau Kar-leung: Lau Kar-leung (28 July 1934 – 25 June 2013), also known as Liu Chia-liang, was a Hong Kong-based Chinese actor, filmmaker, choreographer and martial artist. Lau is best known for the films he made in the 1970s and 1980s for the Shaw Brothers Studio. One of his most famous works is "The 36th Chamber of Shaolin" which starred Gordon Liu, as well as "Drunken Master II" which starred Jackie Chan.
Document 10: List of Icelandic films: The following is a list of notable films produced in Iceland by Icelanders. Star marked films are films in coproduction with Iceland. Although Arne Mattsson is Swedish, his film is included because it is based on a book by the Icelandic Nobel Prize-winning author Halldór Laxness.
Document 11: Tinna Gunnlaugsdóttir: Tinna Gunnlaugsdóttir (born 18 June 1954) is an Icelandic actress. She has appeared in twelve films since 1981. She starred in "As in Heaven", which was screened out of competition at the 1992 Cannes Film Festival. She is the sister of director Hrafn Gunnlaugsson. Her husband is the singer, actor and composer Egill Ólafsson.
Document 12: Lo Wei: Lo Wei (sometimes spelled Lo Wai, 12 December 1918 – 20 January 1996) was a Hong Kong film director and film actor best known for launching the martial arts film careers of both Bruce Lee, in "The Big Boss" and "Fist of Fury", and Jackie Chan, in "New Fist of Fury".
Document 13: When the Raven Flies: When the Raven Flies (original Icelandic: Hrafninn flýgur (   )) is a 1984 Icelandic-Swedish adventure film written and directed by Hrafn Gunnlaugsson. The story is set in Viking Age Iceland. The film was selected as the Icelandic entry for the Best Foreign Language Film at the 57th Academy Awards, but was not accepted as a nominee.
Document 14: New Fist of Fury: New Fist of Fury is a 1976 Hong Kong martial arts film directed by Lo Wei and starring Jackie Chan. It is the first of several films that Lo directed Chan in, and the first using Chan's stage name Sing Lung (literally meaning "becoming a dragon", by which Chan is still known today in Asia). The film gave Chan his first starring role in a widely released film (his first starring role was in the "Little Tiger of Canton" which only had a limited release in 1973). The film was a sequel to Bruce Lee's "Fist of Fury", one of Lo Wei's biggest successes. "New Fist of Fury" was part of Lo's attempt to market Jackie Chan as the new Bruce Lee and did not contain any of the comedy elements that were to be Chan's career trademark later on.
Document 15: Dragon Fist: Dragon Fist () is a 1979 Hong Kong martial arts film directed and produced by Lo Wei, starring Jackie Chan, Nora Miao and James Tien. The film was released in Hong Kong on 21 April 1979.
ground_truth: yes