Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: From whom does Norma receive a warning phone call ? Movie plot title: The Box Movie plot: The film begins with a CIA internal memo being typed across the screen. It states that a man named Arlington Steward (Frank Langella) has recovered from severe burn wounds and is delivering units related to the Mars project.The film then opens up in 1976 with Norma (Cameron Diaz) and Arthur Lewis (James Marsden) cuddling in bed and awaking at 5:45 am as the doorbell rings. Norma goes downstairs and looks through the peephole, seeing a black car drive off. Upon opening the door, she sees a package on her doorstep. Inside, she and her husband find a wooden box with a button protected by a glass dome, locked with a key, and a note, reading Mr. Steward will come at 5:00 pm. Norma and Arthur then enjoy a nice breakfast with their son, Walter (Sam Oz Stone).Arthur goes to work at NASA, where he works in optics, and helped in designing the camera on the Viking Mars probe. He finds he has been rejected from the astronaut program due to the fact that he failed the psychological exam.Norma goes to her job as a teacher at an elite private school teaching literature, where they are discussing Sartre's vision of Hell. One of her students remarks on her limp, after which she shows her class her disfigured right foot, missing four toes. After class Norma is informed by her boss that she will no longer be getting a discount for tuition and won't be able to pay for school for her son. Later that day Norma returns home and Arlington Steward appears at their door. Half of his face is missing. Norma looks at the clock and realizes it is 5:00 pm.Arlington says that if she or her husband pushes the button, someone in the world that they do not know will die, and they will receive one million dollars. Arlington hands Norma a $100 bill from the brief case of money, and says she gets to keep it if the button is pushed or not. Arlington leaves and tells her she has 24 hours. Arthur returns and Norma tells him what has happened.After much discussion about whether or not they should press the button, and some tinkering with the box...
The answer to this question is:
Arlington steward