With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Olympic Games shed light on unknown teams.
text_B: Birth Control -LRB- also known as The New World -RRB- is a lost 1917 American documentary film produced by and starring Margaret Sanger and describing her family planning work .. Margaret Sanger. Margaret Sanger. lost. lost film. family planning. family planning. It was the first film banned under the 1915 ruling of the United States Supreme Court in Mutual Film Corporation v. Industrial Commission of Ohio , which held that the exhibition of films did not constitute free speech .. United States Supreme Court. United States Supreme Court. Mutual Film Corporation v. Industrial Commission of Ohio. Mutual Film Corporation v. Industrial Commission of Ohio. The banning of Birth Control was upheld by the New York Court of Appeals on the grounds that a film on family planning may be censored `` in the interest of morality , decency , and public safety and welfare . ''. family planning. family planning. New York Court of Appeals. New York Court of Appeals
not_related.