Q:Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Who does Sadako kill? Movie plot title: Ringu 0 Movie plot: The film takes place 30 years prior to the events of Ring, and depicts the life of 19-year-old Sadako Yamamura (Yukie Nakama), the ghost antagonist of previous films. In this film, her role shifts to that of a living protagonist.The story begins with a reporter named Miyaji Akiko, whose fiance was a reporter killed during Shizuko's ESP demonstration, as she attempts to gather more information on Sadako's past from a grade school Sadako stayed at. Akiki met the Sadako's governess, who stated that Sadako doesn't have any pictures, and that she was a very pretty girl, she also told a story about Sadako's warn for the students who was going to go to the sea for camping, stated that they would die if they go there, and it was later reported that the students did die.Miyaji then begun searching for information from Sadako's therapist, who claims that Sadako was a normal girl and refused to help. Meanwhile, Sadako herself joins an acting troupe as a form of therapy as advised by her therapist. Sadako remains quiet and keeps to herself causing other troupe members to hate her as she creeps them out. But other members of the acting troupe, saw that she has talent in acting. At the time, another girl ( who had been mean to Sadako ) played the main role in the troupe's play. The lead actress then suffers a horribly death by an unknown person dressed in white . As the result, Sadako receievs the main role ( which suits her nice and quiet personality). Soon enough, Sadako falls in love with one of the members of the troupe, Hiroshi Toyama (Seiichi Tanabe). She is continually tormented by her own psychic abilities and the hatred from members of her troupe. Some troupe members then experience the same dream where they saw a well and an old house everyday and blamed it all on Sadako's presence. And they also experienced added supernatural activities. Meanwhile, Miyaji met with Sadako's governess again, who told her the story of Sadako's mother (who also had supernatural power) was also nice but was soon driven mad after she...
A:
The students