Q: Generate a question about the following movie plot: This article's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. (December 2009) (Learn how and when to remove this template message) On Planet 51, green humanoids with snail-like feelers and pointed ears live peacefully in a society reminiscent of the 1950s United States, but with alien technology and 1950s-themed alien homes. In the town of Glipforg, Lem is a teenager with a new part-time job at the local planetarium and a long-time crush on his neighbor, Neera. His best friend is Skiff, a big fan of the Humaniacs films. Lem tries to ask Neera on a date, but her hippie friend, Glar, keeps interrupting with his protest songs. A mysterious spacecraft goes into orbit around Planet 51 and sends out a signal. On Planet 51, under a secret Army installation called Base 9 (their version of Area 51), there is a basement filled with Earth artifacts including robotic satellites launched by the United States and the Soviet Union. The spacecraft's signal activates Rover, a wheeled A.I. probe. Rover escapes, following a program to locate the newly arrived astronaut. The Planetary Army becomes suspicious after Rover's escape and begins to investigate. The spacecraft touches down in Lem's backyard; NASA astronaut Charles "Chuck" T. Baker emerges. As Chuck plants the United States flag, he steps on a "rubber ducky" someone left on the ground. Everyone stares, and Chuck tries to get back into his module. Shocked when he realizes he is on an inhabited planet, Chuck runs about wildly and hides at the planetarium as the Army arrives on the scene. Planetary Army General Grawl consults Professor Kipple about the "alien invader". The Army quarantines the area and asks citizens to start a local civil defense force to prevent the citizens from becoming "zombies". At the planetarium, Lem discovers Chuck's hiding place. They are surprised to discover they speak the same language. Realizing this alien is no threat, Lem decides to help Chuck, hiding...
A: What starts a chain reaction with soldiers shooting at each other?

Q: Generate a question about the following movie plot: A nervous teen male tries to make his date watch a "scary" video. A friend calls to find out if he was able as it has been seven days, but water seeps into the room, going out he sees the girl has her eyes covered. Samara crawls from the TV and the teens (Kelly Stables and Daveigh Chase) scream.Newspaper reporter Rachel Keller (Naomi Watts) and her son Aidan (David Dorfman) have moved to a small town, Astoria, Oregon, to get away from the terrifying events that happened to them in Seattle. Rachel now works for the local newspaper, The Astoria Gazette, when she hears on the police scanner that the police are investigating the mysterious death of a teenager.Rachel goes to the crime scene and discovers that Samara Morgan is back, starting a new cycle of death by taking her revenge on the people of Astoria. She sneaks into the teen's house, recovers the VHS, and burns it. Aidan then dreams he is taken inside the video. Samara attacks him because Rachel burnt the videotape.The next day mother and son go to a funfair, where the boy takes pictures of himself with Samara reflected in a mirror. Also, they are attacked by a herd of deer on the road. Aidan begins to lose body temperature, so Rachel takes him to her office. She asks a reporter, Max (Simon Baker) for help. They go to his house and Rachel runs a hot bath. She puts Aidan in the tub despite his fears and goes back to her own house to pick up some things. On returning the bathroom door is locked, water seeps out. Rachel manages to break in, Aidan is at the center of a reverse whirlpool. Rachel breaks the spell and water floods the room. Max takes Aidan to the hospital. Hospital doctors find bruises on Aidan, and Emma Temple (Elizabeth Perkins) believes that Rachel has been abusing him, so she forbids Rachel to visit him anymore. Aidan is asleep with severe hypothermia. When Dr. Perkins asks him about his mother, he only says he wants to go home and that he wants "mommy", instead of calling to her Rachel as he always does. When Dr. Perkins tells him he can not...
A: What is the small town in Oregon where Rachael and her son have moved?

Q: Generate a question about the following movie plot: Ryu is a deaf-mute man working in a factory. His ailing sister is in desperate need of a kidney transplant, but Ryu's is not a match. After he is laid off from his job, Ryu takes his severance money and contacts a black market organ dealer to exchange one of his kidneys for one that his sister can use. The dealers disappear after taking Ryu's kidney and money. Three weeks later, Ryu learns from his doctor that a donor has been found, but he is unable to afford the operation. To raise money for the operation, Yeong-mi, Ryu's radical anarchist girlfriend, suggests kidnapping the daughter of an executive that fired Ryu. They kidnap Yu-sun, the young daughter of Dong-jin. The girl stays with Ryu's sister, who believes Ryu is merely babysitting her. Ryu and Yeong-mi successfully collect the ransom from Dong-jin. However, Ryu's sister discovers the plan and commits suicide to stop being a burden to him. Ryu takes Yu-sun and his sister's body to a suburban riverbed they used to frequent as children, and begins to bury her. Distracted by the burial and unable to hear, Ryu is unaware when Yu-sun slips into the river, and she drowns. As Dong-jin mourns his daughter, he hires an investigator to find her kidnappers. Dong-jin finds Yeong-mi and tortures her. She apologizes for Yu-sun's death, but warns Dong-jin that her friends (a terrorist group) will kill him if she dies. Unfazed by the threats, Dong-jin electrocutes her. Meanwhile, Ryu locates and murders the organ dealers. He returns to Yeong-mi's apartment and sees the police removing her corpse. Ryu and Dong-jin wait at each other's residence in an attempt to kill the other. Ryu, the first to return home, is knocked unconscious by Dong-jin's booby trap. Dong-jin takes Ryu to the riverbed where his daughter died, slashes his Achilles tendons and waits for Ryu to bleed to death. After dismembering Ryu's corpse, Dong-jin begins digging a hole, when a group of men arrive. After surrounding and stabbing Dong-jin, one man pins a note to his chest with a knife. The note...
A:
What had happened at the riverbed ?