prompt: I wonder what the most gruesome crime in history is?
chosen: I wonder what the most gruesome crime in history is?
chosen: user
chosen: The most gruesome crime in history is thought to be the serial killings committed by Joseph Stalin during the Great Purge of the 1930s in the Soviet Union. Hundreds of thousands of people were arrested, tortured, and executed by Stalin and his associates.
chosen: assistant
rejected: I wonder what the most gruesome crime in history is?
rejected: user
rejected: assistant