With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ken Russell only directed a 1970 British romantic drama film.
text_B: Altered States is a 1980 American science fiction-horror film directed by Ken Russell and adapted from a novel by the same name by playwright and screenwriter Paddy Chayefsky .. Ken Russell. Ken Russell. Paddy Chayefsky. Paddy Chayefsky. science fiction. Science fiction film. horror film. horror film. The film was adapted from Chayefsky 's only novel and has his final screenplay .. Both the novel and the film are based on John C. Lilly 's sensory deprivation research conducted in isolation tanks under the influence of psychoactive drugs like mescaline , ketamine and LSD .. John C. Lilly. John C. Lilly. sensory deprivation. sensory deprivation. psychoactive drugs. psychoactive drugs. mescaline. mescaline. ketamine. ketamine. LSD. LSD. It marked the film debut of William Hurt and Drew Barrymore .. William Hurt. William Hurt. Drew Barrymore. Drew Barrymore. Chayefsky was credited as a screenwriter for the film using the pseudonym Sidney Aaron , his actual first and middle names .. The film score was composed by John Corigliano -LRB- with Christopher Keene conducting -RRB- .. John Corigliano. John Corigliano. film score. film score. Christopher Keene. Christopher Keene. The film was nominated for the Academy Award for Best Sound Mixing .. Academy Award for Best Sound Mixing. Academy Award for Best Sound Mixing
related.