With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Selene serves as the central character in a film written by Mario.
text_B: Underworld is a 2003 action horror film directed by Len Wiseman and written by Danny McBride , based on a story by McBride , Kevin Grevioux , and Wiseman .. Len Wiseman. Len Wiseman. Danny McBride. Danny McBride ( writer ). Kevin Grevioux. Kevin Grevioux. action. Action film. horror film. horror film. The film centers on the secret history of vampires and lycans -LRB- an abbreviated form of lycanthrope , which means werewolf -RRB- .. secret history. secret history. vampires. Vampire ( Underworld ). lycans. Lycan ( Underworld ). lycanthrope. Werewolf. It is the first installment in the Underworld franchise .. The main plot revolves around Selene -LRB- Kate Beckinsale -RRB- , a vampire Death Dealer hunting Lycans .. Kate Beckinsale. Kate Beckinsale. Selene. Selene ( Underworld ). Death Dealer. Death Dealer ( Underworld ). She finds herself attracted to a human , Michael Corvin -LRB- Scott Speedman -RRB- , who is being targeted by the Lycans .. Scott Speedman. Scott Speedman. Michael Corvin. Michael Corvin. After Michael is bitten by a Lycan , Selene must decide whether to do her duty and kill him or go against her clan and save him .. Selene. Selene ( Underworld ). Alongside Beckinsale and Speedman , the film stars Michael Sheen , Shane Brolly , and Bill Nighy .. Michael Sheen. Michael Sheen. Shane Brolly. Shane Brolly. Bill Nighy. Bill Nighy. An international co-production between companies from the United Kingdom , Germany , Hungary , and the United States , the film was released on September 19 , 2003 .. international co-production. international co-production. the United Kingdom. Cinema of the United Kingdom. Germany. Cinema of Germany. Hungary. Cinema of Hungary. the United States. Cinema of the United States. Upon its release , the film received generally negative reviews from critics , but a smaller number of reviewers praised elements such as the film 's stylish Gothic visuals , the `` icy English composure '' in Kate Beckinsale 's performance , and the extensively worked-out vampire -- werewolf mythology that serves as the film 's backstory .. Kate Beckinsale. Kate Beckinsale. Gothic. Gothic architecture. mythology. mythology. backstory. backstory. A surprise hit , the film grossed $ 95 million against a production budget of $ 22 million .. surprise hit. sleeper hit. The film was followed by Underworld  : Evolution , released three years later , and by three other films .
related.