Task: Question Answering
Input (English): passage: Alpha Dog is a 2006 American crime drama film written and directed by Nick Cassavetes, first screened at the Sundance Film Festival on January 27, 2006, with a wide release the following year on January 12, 2007. Starring Emile Hirsch, Justin Timberlake, Ben Foster, Shawn Hatosy, Anton Yelchin, Olivia Wilde, Amanda Seyfried with Harry Dean Stanton, Sharon Stone, and Bruce Willis, the film is based on the true story of the kidnapping and murder of Nicholas Markowitz in 2000.
 question: alpha dog movie is it a true story?
Output (English): Yes