With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: To Kill a Mockingbird (film) was the first film that Robert Duvall was involved in.
text_B: To Kill a Mockingbird is a 1962 American drama film directed by Robert Mulligan .. Robert Mulligan. Robert Mulligan. To Kill a Mockingbird. To Kill a Mockingbird. drama film. Drama ( film and television ). The screenplay by Horton Foote is based on Harper Lee 's 1960 Pulitzer Prize-winning novel of the same name .. Horton Foote. Horton Foote. Harper Lee. Harper Lee. 1960 in literature. Pulitzer Prize. Pulitzer Prize. novel of the same name. To Kill a Mockingbird. It stars Gregory Peck as Atticus Finch and Mary Badham as Scout .. Gregory Peck. Gregory Peck. Mary Badham. Mary Badham. Atticus Finch. Atticus Finch. The film , received overwhelmingly positive reviews from critics and was a box-office success , earning more than 10 times its budget .. The film won three Academy Awards , including Best Actor for Peck , and was nominated for eight , including Best Picture .. Best Actor. Academy Award for Best Actor. Best Picture. Academy Award for Best Picture. In 1995 , the film was listed in the National Film Registry .. National Film Registry. National Film Registry. In 2003 , AFI named Atticus Finch the greatest movie hero of the 20th century .. Atticus Finch. Atticus Finch. In 2007 the film ranked twenty-fifth on the American Film Institute 's 10th anniversary list of the greatest American movies of all time .. American Film Institute. American Film Institute. 10th anniversary. AFI's 100 Years... 100 Movies ( 10th Anniversary Edition ). To Kill a Mockingbird marked the film debuts of Robert Duvall , William Windom , and Alice Ghostley .. To Kill a Mockingbird. To Kill a Mockingbird. Robert Duvall. Robert Duvall. William Windom. William Windom ( actor ). Alice Ghostley. Alice Ghostley
related.