Question: Who was the choreographer for the IP Man movie that's theme focuses on "Life" itself?

full_context: Document 1: Chu Shong-tin: Chu Shong Tin (; 1933-2014) was the third student of martial arts teacher Yip Man in the discipline of Wing Chun, and remained at Yip Man's school to become his senior instructor.
Document 2: The Grandmaster (film): The Grandmaster is a 2013 Hong Kong-Chinese martial arts drama film based on the life story of the Wing Chun grandmaster Ip Man. The film was directed and written by Wong Kar-wai and stars Tony Leung as Ip Man. It was released on 8 January 2013 in China. It was the opening film at the 63rd Berlin International Film Festival in February 2013. The film was selected as part of the 2013 Hong Kong International Film Festival. The Weinstein Company acquired the international distribution rights for the film. The film was selected as the Hong Kong entry for the Best Foreign Language Film at the 86th Academy Awards, making the January shortlist, but did not get the nomination. The film was nominated for Best Cinematography (Philippe Le Sourd) and Best Costume Design (William Chang Suk Ping) at the 86th Academy Awards.
Document 3: Donnie Yen: Donnie Yen (born 27 July 1963), also known as Yen Chi Tan (甄子丹), is a Hong Kong actor, martial artist, film director, producer, action choreographer, and multiple-time world wushu tournament champion.
Document 4: Ip Man (TV series): Ip Man is a 2013 Chinese television series romanticising the life of Ip Man (Mandarin: Ye Wen), a Chinese martial artist specialising in Wing Chun. Directed by Fan Xiaotian, the series starred Hong Kong actor Kevin Cheng as the title character, with Han Xue, Liu Xiaofeng, Chrissie Chau, Song Yang, Yu Rongguang, Yuen Wah and Bruce Leung as part of the supporting cast. Wilson Yip, the director of the films "Ip Man" and "Ip Man 2" (starring Donnie Yen), and Taiwanese producer Young Pei-pei served as the artistic consultants for the series, while Ip Man's sons, Ip Chun and Ip Ching, served as the martial arts consultants. The series was shot from July–November 2012 in Kunshan, Suzhou, and was first aired on Shandong TV from 24 February to 9 March 2013. It won the Golden Eagle Award for Best Television Series in 2012.
Document 5: Ip Man 2: Ip Man 2 (also known as Ip Man 2: Legend of the Grandmaster) is a 2010 Hong Kong biographical martial arts film loosely based on the life of Ip Man, a grandmaster of the martial art Wing Chun. A sequel to the 2008 film "Ip Man", "Ip Man 2" was directed by Wilson Yip and stars Donnie Yen, who reprises the leading role. Continuing after the events of the earlier film, the sequel centers on Ip's movements in Hong Kong, which is under British colonial rule. He attempts to propagate his discipline of Wing Chun, but faces rivalry from other practitioners, including the local master of Hung Ga martial arts.
Document 6: The Legend Is Born: Ip Man: The Legend Is Born – Ip Man is a 2010 Hong Kong biographical martial arts film based on the early life of the Wing Chun grandmaster Ip Man, directed by Herman Yau and starring Dennis To in the titular role. Though not made in collaboration with Wilson Yip's "Ip Man" or "Ip Man 2", "The Legend is Born" features several actors who appeared in Yip's films, including Sammo Hung, Louis Fan, and Chen Zhihui. The film also features a special appearance by Ip Chun, the son of Ip Man.
Document 7: Ip Man (film series): Ip Man is a series of Hong Kong biographical martial arts films starting with "Ip Man" in 2008 and followed by two sequels – "Ip Man 2" (2010) and "Ip Man 3" (2015). All three films are directed by Wilson Yip, written by Edmond Wong, produced by Raymond Wong and star Donnie Yen. Mandarin Films released the first two films in Hong Kong, which earned more than $37 million with a budget of around $24.6 million. The films are based on the life events of the Wing Chun master of the same name. Donnie Yen has mentioned each film has a unique theme, that the first "Ip Man" film was about "Survival", "Ip Man 2" focuses on "Making a Living and Adaptation", while "Ip Man 3" focuses on "Life" itself.
Document 8: Ip Chun: Ip Chun (born 10 July 1924), also known as Yip Chun or Yip Jun, is a Chinese martial artist specialising in Wing Chun. He is the eldest of two sons. Ip’s father Yip Man was the Wing Chun teacher of late movie star Bruce Lee.
Document 9: Man of Tai Chi: Man of Tai Chi is a 2013 Chinese-American martial arts film directed by and starring Keanu Reeves in his directorial debut, and co-stars Tiger Chen, Iko Uwais, Karen Mok and Simon Yam. "Man of Tai Chi" is a multilingual narrative, partly inspired by the life of Reeves' friend, stuntman Tiger Chen.
Document 10: Ip Man (film): Ip Man is a 2008 Hong Kong biographical martial arts film based on the life of Ip Man, a grandmaster of the martial art Wing Chun and teacher of Bruce Lee. The film focuses on events in Ip's life that supposedly took place in the city of Foshan during the Sino-Japanese War. The film was directed by Wilson Yip, and stars Donnie Yen as Ip Man, with martial arts choreography by Sammo Hung. The supporting cast includes Simon Yam, Lynn Hung, Lam Ka-tung, Xing Yu, Hiroyuki Ikeuchi and Tenma Shibuya.
Document 11: Danny Chan Kwok-kwan: Danny Chan Kwok-kwan (born 1 August 1975) is a Hong Kong actor, dance choreographer, and lead singer of the rock band, Poet. He is known for resembling Bruce Lee in appearance, and has portrayed Lee in the 2008 television series, "The Legend of Bruce Lee", and in the 2015 film, "Ip Man 3". Chan is also a practitioner of Jeet Kune Do, the martial art created by Bruce Lee.
Document 12: Ip Man 3: Ip Man 3 is a 2015 Hong Kong biographical martial arts film directed by Wilson Yip, produced by Raymond Wong and written by Edmond Wong with action choreography by Yuen Woo-ping. It is the third in the "Ip Man" film series based on the life of the Wing Chun grandmaster Ip Man and features Donnie Yen reprising the title role. The film also stars Mike Tyson, and Yip Man's pupil Bruce Lee is portrayed by Danny Chan. Principal photography commenced in March 2015 and ended in June that year.
Document 13: Ip Man: The Final Fight: Ip Man: The Final Fight is a 2013 Hong Kong biographical martial arts film directed by Herman Yau, starring Anthony Wong, Anita Yuen, Jordan Chan, Eric Tsang and Gillian Chung. It is based on the life of the Wing Chun grandmaster Ip Man. This film has no connection to the earlier Ip Man films, such as Wilson Yip's "Ip Man" and "Ip Man 2", and Wong Kar-wai's "The Grandmaster".
Document 14: Ip Man: Ip Man, also known as Yip Man, (; 1 October 1893 – 2 December 1972), was a Chinese martial artist, and a master teacher of Wing Chun. He had several students who later became martial arts masters in their own right. His most famous student was Bruce Lee.
Document 15: Dennis To: Dennis To Yu-hang (born 1 January 1981) is a Hong Kong martial artist and actor. He started his career as a wushu practitioner and won several awards at various competitions, including a silver medal at the 2002 Asian Games and a gold medal at the 2005 East Asian Games. To became an actor in 2007 and started off by playing minor roles in "Ip Man" (2008), "Bodyguards and Assassins" (2009) and "Ip Man 2" (2010). He is best known for his role as the Wing Chun grandmaster Ip Man in the 2010 film "The Legend Is Born – Ip Man".
ground_truth: Yuen Woo-ping