著名《 Proof 求證》話劇，四海劇社改編粵話，在美國紐約公演。劉影．梵影 飾演家姐 Claire.
Theatre Play. Drama. Abrons Arts Center NY. 2017.
Produced by Four Seas Players. Directed by Lai Yee Fung.
The play concerns Catherine, the daughter of a recently deceased mathematical genius in his fifties and professor at the University of Chicago, and her struggle with mathematical genius and mental illness. .
Claire, played by Fanny Lawren, is an efficient, practical, and successful sister. She feels responsible for Catherine’s welfare, but Catherine resents what she sees as Claire’s interference in her life.