Information:  - Television Broadcasts Limited, commonly known as TVB, was founded as the first wireless commercial television station in Hong Kong. TVB runs five free-to-air television channels in Hong Kong, and is one of two free-to-air terrestrial television broadcasters in Hong Kong, and one of the largest commercial Chinese programme producers in the world. It commenced broadcasting on 19 November 1967. It has a staff of about 4,500. Its commercial rival for free-to-air terrestrial television broadcasts is Asia Television (ATV), whilst the government-owned Radio Television Hong Kong (RTHK) produces television programmes, but does not itself broadcast them.  - Once Upon a Time in Triad Society ( Fit / Wong Kok cha ' fit ' yan ) is a 1996 spin - off film of the Young and Dangerous film series . This first spin - off movie focuses on Ugly Kwan , played by Francis Ng .  - Young and Dangerous is a 1996 Hong Kong crime film about a group of triad members, detailing their adventures and dangers in a Hong Kong Triad society. Directed by the film's cinematographer Andrew Lau, the film features a large ensemble cast, which includes Ekin Cheng, Jordan Chan, Francis Ng, Gigi Lai and Simon Yam.  - Triumph in the Skies is a Hong Kong drama television series that premiered on TVB in 2003. The drama tells the lives of pilots working for the fictional Solar Airways based on Hong Kong's Cathay Pacific.  - Francis Ng Chun-yu (born 21 December 1961) is a Hong Kong actor and director. He is known for the TVB series, "Triumph in the Skies" and for films such as "Young and Dangerous", "Once Upon a Time in Triad Society" and "The Mission".  - Once Upon a Time in Triad Society (Fit) is a 1996 Hong Kong action film produced and directed by Cha Chuen-yee. The film is a spin-off of the "Young and Dangerous" film series, focusing on the character of Ugly Kwan, played by Francis Ng.    What entity does 'once upon a time in triad society' has the relation 'genre' with?
Answer:
action film