Question: Martial Law 2: is a 1991 martial arts film that stars Jeff Wincott, Paul Johansson, L. Charles Taylor, Sherrie Rose, , Billy Drago and  Cynthia Rothrock, a woman who holds what color of belt in martial arts?

Context paragraphs:
Outside the Law (2002 film): Outside the Law is a 2002 American direct-to-video action film, starring Cynthia Rothrock, Seamus Dever, Jessica Stier, Jeff Wincott and Stephen Macht.  It was directed by Jorge Montesi.

China O'Brien: China O'Brien is a 1990 martial arts film produced by Golden Harvest studios and starring actress and martial artist Cynthia Rothrock with co-stars Richard Norton and Keith Cooke.  The film was directed by Robert Clouse, the fight choreography was by Nijel Binns, and it was executive produced by Raymond Chow.  Rothrock plays a former cop who runs for sheriff after her father, the previous sheriff, is killed.

Cynthia Rothrock: Cynthia Ann Christine Rothrock (born March 8, 1957) is an American martial artist and actress specializing in martial arts films. Rothrock holds black belt rankings in seven styles of martial arts and was a high level competitor in martial arts before becoming an actress.

Me and Will: Me and Will is a 1999 road drama film directed by Melissa Behr and Sherrie Rose.  It is also written by Melissa Behr and Sherrie Rose.  It stars Sherrie Rose, Melissa Behr, Patrick Dempsey, Seymour Cassel, Grace Zabriskie, M. Emmet Walsh, Billy Wirth, Johnny Whitworth, John Enos III, and Julie McCullough.  It was produced by Melissa Behr, Sherrie Rose, Pierre David, Joey Forsyte, Jason Hall, Gary Kohn, and Vesco Razpopov.  The music was done by the musician Shark.

Lady Dragon: Lady Dragon is a martial arts film starring actress and martial artist Cynthia Rothrock.

Martial Law (1991 film): Martial Law is a 1991 action/martial arts film written by Richard Brandes, produced by Kurt Anderson, directed by Steve Cohen and stars Chad McQueen, Cynthia Rothrock and David Carradine.

Martial Law 2: Undercover: Martial Law 2: Undercover (also known as "Karate Cop" and "Martial Law II") is a 1991 martial arts film written by Richard Brandes and Jiles Fitzgerald, produced by Steve Cohen, directed by Kurt Anderson and stars Jeff Wincott, Cynthia Rothrock, Paul Johansson, L. Charles Taylor, Sherrie Rose, and Billy Drago.  It is also the sequel to the 1990 film "Martial Law".

Martial Outlaw: Martial Outlaw is a 1993 action/martial arts film written by Thomas Ritz, produced by Pierre David, directed by Kurt Anderson and stars Jeff Wincott, Gary Hudson and Richard Jaeckel.

The Martial Arts Kid: The Martial Arts Kid is a 2015 martial arts film directed by Michael Baumgarten and starring Don 'The Dragon' Wilson and Cynthia Rothrock as a couple who take in their nephew Jansen Panettiere, and teach him martial arts when he is bullied.  The film has been given major rave for its anti-bullying message.  Most of the supporting cast of the film are actual martial artists, some of whom appear as themselves in the film.

Fight to Win (film): Fight to Win is an action film that falls into the comedy and martial arts genre.  Martial artist Ryan Kim has an upcoming fight and gets training from a martial arts master, Sensei Lauren.  The film which stars Cynthia Rothrock, George Chung, Richard Norton and Chuck Jeffreys was directed by Leo Fong.

Supporting paragraphs: Martial Law 2: Undercover Cynthia Rothrock
Answer: black belt