Answer the following question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: What fills the chamber and suffocates the doctor? Title: Vampyr Movie plot: NOTE: Quotes indicate text titles from silent movie."This story is about the strange adventures of young Allan Gray [Julian West]. His studies of devil worship and vampire terror of earlier centuries have made him a dreamer, for whom the boundary between the real and the unreal has become him...One afternoon, during one of his aimless journeys, he arrived at a lonely inn close to the village of Courtempierre..." where he takes a room. That evening, he hears a strange chanting, goes exploring and sees a man with a horribly misshapen face. "In the moonstruck night light and shadow, voices and faces, seemed to take on hidden meaning. Allan Gray felt the darkness take control. In vain he tried to protect himself from unspeakable terror. Fear of the intangible followed him into a restless sleep." Allan is awakened by a noise at his chamber door. A man enters, says only "She must not die...do you hear?' and gives Allan a package on which is written "To be opened after my death.""What was going on? Which horrifying secret was revealing itself? One thing became clear to Allan Gray. A human soul in fear of Death cried for help--and an inner voice ordered him to follow its call." Again, Allan goes snooping. He finds shadows--the shadow of a man UNdigging a hole, the shadow of a man with a wooden leg, shadow dancers. He hears barking dogs and a child wailing. The village Doctor [Jan Heironimko] appears and asks Allan: "Did you hear it? There are no children or dogs here." Allan leaves, and the man is joined by an old woman who gives him a bottle of poison."(Allan) followed the shadows and entered a park. Among the ancient trees a chateau raised its towers into the haze of summer night. The man, whom Allan Gray had seen that same night at the inn, lived here in seclusion--with only his two daughters and a few servants." The daughters (Giselle [Rena Handel] and Leone [Sybille Schmitz]) appear to be ill. The family awaits the arrival of the village Doctor. Giselle lies in her bed and cries out, "The blood! The blood!". The...
Answer:
grain