Question:  Cruel Passion was based on the novel "Justine" by which French aristocrat, revolutionary politician, philosopher, and writer, famous for his libertine sexuality?
Sentence (from "Cruel Passion"): Cruel Passion (also known as "Justine") is a 1977 film starring Koo Stark, Martin Potter, Lydia Lisle, and Katherine Kath.
Relevant evidence: No