Suppose The Shawshank Redemption is a 1994 American drama film written and directed by Frank Darabont, based on the Stephen King novella "Rita Hayworth and Shawshank Redemption". The film stars Tim Robbins as Andy Dufresne, a banker who is sentenced to life in Shawshank State Penitentiary for the murder of his wife and her lover, despite his claims of innocence.
Can we infer that "The Shawshank Redemption is based on a true story"? Yes, no, or maybe?