Q: In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
passage: Changeling is a 2008 American mystery crime drama film directed, produced, and scored by Clint Eastwood and written by J. Michael Straczynski, that explores child endangerment, female disempowerment, political corruption, mistreatment of mental health patients, and the repercussions of violence. The script was based on real-life events, specifically the 1928 Wineville Chicken Coop Murders in Mira Loma, California. The film stars Angelina Jolie as a woman reunited with a boy whom she immediately realizes is not her missing son. When she tries to demonstrate this to the police and city authorities, she is vilified as delusional, labeled as an unfit mother, and then confined to a psychiatric ward.
 question: is the film changeling based on a true story?
A:
Yes