Step 1: This question is a factual recall from Anton Chekhov's short story, "The Bet".
Step 2: The story's central plot revolves around a wager made during a party. The debate is about which is more humane: capital punishment or life imprisonment.
Step 3: A young lawyer argues that life in prison is better than death, while a wealthy banker bets him two million rubles that he cannot endure fifteen years of solitary confinement. Therefore, the bet is between the lawyer and the banker.