With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Natasha Richardson starred in Patty Hearst.
text_B: Patty Hearst is a 1988 American biographical film directed by Paul Schrader and stars Natasha Richardson as Hearst Corporation heiress Patricia Hearst and Ving Rhames as Symbionese Liberation Army leader Cinque .. Paul Schrader. Paul Schrader. Patricia Hearst. Patty Hearst. Natasha Richardson. Natasha Richardson. Ving Rhames. Ving Rhames. biographical film. biographical film. Hearst Corporation. Hearst Corporation. Symbionese Liberation Army. Symbionese Liberation Army. Cinque. Donald DeFreeze. It is based on Hearst 's 1982 autobiography Every Secret Thing -LRB- co-written with Alvin Moscow -RRB- , which was later rereleased as Patty Hearst -- Her Own Story .. Alvin Moscow. Alvin Moscow. autobiography. autobiography. Every Secret Thing. Every Secret Thing ( Hearst book ). The film depicts the kidnapping of student Patty Hearst by the Symbionese Liberation Army , her transformation into an active follower of the SLA after a long-lasting imprisonment and process of purported brainwashing , and her final arrest after a series of armed robberies .. Symbionese Liberation Army. Symbionese Liberation Army. brainwashing. brainwashing
related.