Question: Which film starring Firmine Richard is based on a play by Robert Thomas?
Sentence (from "8 Women"): Based on the 1958 play by Robert Thomas, it features an ensemble cast of high-profile French actresses that includes Danielle Darrieux, Catherine Deneuve, Isabelle Huppert, Emmanuelle Béart, Fanny Ardant, Virginie Ledoyen, Ludivine Sagnier, and Firmine Richard.
Relevant evidence: Yes