Question: Who, Henri Bergson or David Edgar, is a British playwright and writer who has had more than sixty of his plays published and performed on stage, radio and television around the world, making him one of the most prolific dramatists of the post-1960s generation in Great Britain?
Sentence (from "An Experiment with an Air Pump"): An Experiment with an Air Pump is a play by British playwright Shelagh Stephenson inspired by the painting "An Experiment on a Bird in the Air Pump" by Joseph Wright.
Relevant evidence: No