 
<prompt> Context: 'The film is based on events in Tombstone, Arizona, including the Gunfight at the O.K. Corral and the Earp Vendetta Ride, during the 1880s. It depicts a number of Western outlaws and lawmen, such as Wyatt Earp, William Brocius, Johnny Ringo, and Doc Holliday.'
 Question: is the movie tombstone based on a real story <response>: True  