Problem: Generate a question that has the following answer: In a mental hospital. for the following movie plot: Ling (Aaron Kwok) is a married self-assured Police Chief Inspector with an adopted 5 year old son who is investigating a cold-blooded serial murder case. However due to the homicide attempt of a fellow inspector named Tai in which Ling emerged unscathed, fellow colleagues are fast becoming aware of Ling's potential involvement. Ling suffered a lost of memory since that incident and cannot recall the events leading to Tai's attempted murder.As Ling sifts through the clues, he finds that all the evidence is pointing toward himself as the murderer. However ling's belief and unwaivering sense of innocent fuels him to maintain his suspicion and keeps digging. Slowly, together with memory re-collection Ling takes temporary leave of absence and enforces a lockdown mode to safeguard his family. It was during the lockdown that his adopted son confesses to Ling his real identity. He is, in fact, the child together with his mother that was abandoned by Ling's father many years ago. Driven by an early life of pain, humiliation and suffering faced by his mother he vowed revenge and painstaking made his way back into Ling's life as his adopted son. He was able to accomplish this due to a medical condition where his physical stature remains that of an 5 year old. Having shared a bed with Ling's wife, played close attention to Ling's friends he was able to slowly fulfill his revenge and give out orders for the murders which was carried out by an acquaintance that he had met many years ago at a disability center.Ling's wife was murdered by the acquaintant on the site of their premises to which Ling broke down upon discovery. Ling was able to gather himself to dispose of the murderer and was moments away from carrying out justice on his adopted son until the police arrived and shot him. The end of the movie shows Ling in a mental hospital engraving the words "Revenge upon release" on this left arm and a scene of his adopted son maturely dressed contemplating life without Ling in the backdrop of an ocean.

A: Where was Ling when he engraved the words "Revenge upon Release."

Problem: Generate a question that has the following answer: triad for the following movie plot: Infernal Affairs focuses on a police officer named Chen Wing-yan, who goes undercover into a triad, and a triad member Lau Kin-ming, who infiltrates the Hong Kong Police Force. Each mole has been planted by the rival organisation to gain an advantage in intelligence over the other side. The more the moles become involved in their undercover lives, the more issues they have to cope with. The prologue opens with the introduction of triad boss Hon Sam, who sends a number of young gangsters to the police academy as moles, among whom include a young Lau. Concurrently, a young Chen joins the police force but is seemingly expelled from the academy even though he manages to impress Superintendent Wong Chi-shing. In reality, Chen has become an undercover agent reporting only to Wong. Over the course of ten years, Chen experiences great stress from his undercover work while Lau quickly rises through the ranks in the police department. The film begins with a meeting between Chen and Lau in a hi-fi store without either of them knowing the other's identity. Wong and his team interrupt a deal between Hon Sam and a Thai cocaine dealer after receiving a tip-off from Chen using Morse code. However, Lau alerts Hon, giving him enough time to order his minions to dispose of the cocaine, eliminating solid evidence of the drug deal. After the incident, Wong and Hon are both aware that they each have a mole within their respective organisations, placing them in a race against time to root out the other mole. Later, Chen sees Hon conversing with Lau at a cinema but does not see Lau's face clearly; he ultimately fails to capture Lau. By this time, both Chen and Lau are struggling with their double identities Chen starts losing faith in himself as a cop after being a gangster for ten years; Lau becomes more accustomed to the life of a police officer and he wants to erase his criminal background. At their next meeting, Wong intends to pull Chen out of undercover work for fear of his safety. They are unaware that Lau has his...

A: Chen Ying-ya goes undercover in what criminal organization?

Problem: Generate a question that has the following answer: Sarah for the following movie plot: On her way back from whitewater rafting with her friends Juno (Natalie Mendoza) and Beth (Alex Reid), Sarah (Shauna Macdonald), along with her husband Paul (Oliver Milburn) and their daughter Jessica (Molly Kayll) get involved in a car accident when Paul is distracted. Paul and Jessica are killed, but Sarah survives. One year later, Sarah and her friends Juno, Beth, Sam (MyAnna Buring), Rebecca (Saskia Mulder), and newcomer Holly (Nora-Jane Noone) are reunited at a cabin in the Appalachian Mountains of North Carolina. While spelunking, Juno apologises to Sarah for not being there for her after the accident, but Sarah is distant. As the group moves through a passage, it collapses behind them, trapping them. After a heated discussion, Juno admits she led the group into an unknown cave system instead of the fully explored cave system like they originally planned, and that rescue is impossible because of this. She then tells Sarah that she led them into the unknown cave in the hopes of restoring their relationship, but Sarah rebuffs her. As the group presses forward, they discover climbing equipment from a previous spelunker, and a cave painting that suggests an exit exists. Holly, thinking she sees sunlight, runs ahead, but falls down a hole and breaks her leg. As the others help Holly, Sarah wanders off and observes a pale, humanoid creature (called "crawlers" in the credits) drinking at a pool before it scampers away. Later, the group comes across a den of animal bones, and are suddenly attacked by a crawler. Holly is injured and dragged away by the crawler to her death, Sarah is knocked out by a fall, and Juno accidentally stabs Beth through the neck with a pickaxe after mistaking her for the crawler. Sarah awakens to find herself in a den of human and animal carcasses, and witnesses Holly's body being consumed by a crawler. Juno discovers markings pointing to a specific path through the caves. After regrouping with Sam and Rebecca, and realizing the crawlers' hunting methods, Juno tells them the markings she...

A:
Who previously suffered from an accident?