Problem: Given the question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Why did Ali have to replace Nikki? Movie plot title: Burlesque Movie plot: In the opening scene, set in a rundown small Iowa town in the middle of nowhere, Ali Rose (Christina Aguilera) is a young waitress working in a seedy restaurant. Frustrated by her sexist boss's refusal to pay her, she packs up her belongings and performs "Something's Got A Hold On Me", shortly followed by her journey to Los Angeles to begin a new life for herself as a professional singer.Once in Los Angeles, Ali begins searching for places to audition, failing at every attempt. Walking during the night, she follows the sound of music into a building, having unknowingly arrived at a Burlesque club, where Tess (Cher) and the dancers perform "Welcome to Burlesque." Once inside, Ali meets Jack (Cam Gigandet) one of the bartenders, as well as the ticket till guy Alexis (Alan Cumming). Intrigued by the exotic dances, Ali decides to pursue a career on stage. Jack refers her to Tess for an audition, in which Ali is rejected instantly and ushered out by Sean (Stanley Tucci) the costumer for the dancers. Instead of leaving, Ali begins serving customers at the club as a waitress, while Tess and Sean observe with Jack asking Tess to give Ali a chance. Tess reluctantly hires Ali to work as a waitress.After returning to her apartment after work a few days later, Ali finds it in disarray having been broken into and that her money and all her belongings have been stolen. She shows up at Jack's apartment in the pouring rain and he agrees to let her stay with him for a few nights.One night at the club, Ali, attempts to talk to Tess and tell her she finds lip-synching limiting, but Ali is told that the customers prefer it that way. When one of the dancers, Georgia (Julianne Hough) becomes pregnant, auditions are held to replace her. Ali begins her audition when everyone leaves, and after performing to "Wagon Wheel Watusi", persuades Tess to allow her to become one of the club's dancers, much to the lead dancer Nikki's (Kristen Bell) annoyance. When Nikki appears drunk, Tess orders Ali to take her place. Behind the scenes, Tess...
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The answer is:
because she became drunk

Problem: Given the question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Who plays Emma? Movie plot title: Skinwalkers Movie plot: Two packs of werewolves, divided by principles, are signaled by the moon of the coming of an ancient prophecy. A young boy named Timothy (Matthew Knight) approaches his 13th birthday, unaware this marks the time of his transformation. Timothy has been raised by his grandmother Nana (Barbara Gordon), his mother Rachel (Rhona Mitra), his uncle Jonas (Elias Koteas), his cousin Katherine (Sarah Carter) and Katherine's boyfriend, Adam (Shawn Roberts). His father is said to be dead. Rachel and Timothy have been unaware that the rest of the family are "good" werewolves who have guarded Timothy and his secret since birth. They know that Timothy is a "half-blood" who is prophesied to end the curse. But they also know that Timothy's power will put him in danger, for there are other werewolves that revel and embrace their blood-lust and are bent on finding and killing the boy. Four of these werewolves are a motorcycle packleader Varek (Jason Behr), and cohorts Zo (Kim Coates), Sonya (Natassia Malthe), and Grenier (Rogue Johnston), who use a hawk as an airborne spywho track down Timothy in the small town of Huguenot, precipitating the movie's extended chase. Varek discovers the location of Timothy via a video tape which is shown to various "good" werewolves that he is alive and well. Reaching Huguenot, Varek saw Nana and Timothy and proceeds with a gunfight between his pack against the "good" werewolves and various townspeople. Adam's father is killed in the gunfight and Nana sacrifices herself to let Timothy and the others escape. Jonas explain the whole situation to both Rachel and Timothy and they are convinced after Jonas and others turn into werewolves at night. The next day, Timothy faints and is sent to a nearby hospital. Varek's gang infiltrate the hospital and attack Timothy. Grenier is killed by Adam while Katherine is being held hostage by Varek. It is subsequently revealed that Varek was Caleb, Rachel's husband and Timothy's father, and his transformation was due to him feeding on humans. After escaping...
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The answer is:
No answer

Problem: Given the question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Who unexpectedly dies? Movie plot title: Behind the Mask: The Rise of Leslie Vernon Movie plot: The movie is shot as a documentary set in a world where the supernatural killers depicted in famous slasher films are real. A female journalist named Taylor Gentry and her two cameramen document the preparations of Leslie Vernon as he prepares to join the ranks of other slasher villains. Leslie takes his identity from an urban legend about a boy who killed his family and was cast into a river by angry townsfolk. He initially claims to be the vengeful spirit of the slain boy, but soon admits that he is an ordinary man named Leslie Mancuso who must rely on conventional tactics rather than supernatural powers, implying that the other killers in his line of work did the same.Taylor and her crew film Leslie's meticulous preparations to slaughter a number of teenagers in an abandoned house and then be confronted by a virginal "survivor girl", Kelly. Leslie plans his crime down to the smallest detail, cheerfully explaining the many tricks and "trade secrets" he utilizes to engineer what will only appear to be a spontaneous night of horror. His preparations include modifications to the house and careful manipulation of his future victims. While luring in his selected survivor girl, Leslie is overjoyed when a man named Doc Halloran arrives to serve as his nemesis; he terms him his "Ahab". Leslie also introduces the crew to his mentor, Eugene, a retired killer from the time before characters like Jason Vorhees and Freddy Krueger became popular.Taylor and her crew come to share Leslie's enthusiasm for his project, but their consciences catch up with them on the night of the murders . They beg Leslie to call off his spree, but Leslie is adamant, believing that his survivor girl will define herself by attempting to defeat him. Taylor and her crew abandon their documentary, and at this point the film shifts into a traditional presentation. Taylor attempts to warn and rally the remaining teens together to fight Leslie, but Leslie's preparations continue to give him the upper hand. The group looks to Leslie's survivor girl...
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The answer is:
Kelly