prompt: Did an earthquake once reverse the course of the Mississippi River?
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: Did an earthquake once reverse the course of the Mississippi River?
chosen.role: assistant
chosen.content: A magnitude 8.3 earthquake, which was the strongest one ever recorded in the United States, started near New Madrid, MO. It temporarily reversed the course of the Mississippi River. The earthquake occurred on February 2, 1812. 
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: Did an earthquake once reverse the course of the Mississippi River?
rejected.role: assistant