Question: Who was the director of the 2010 Hong Kong biographical martial arts film in which Ashton Chen played the role of a martial arts student?
Sentence (from "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.
Relevant evidence: Yes