prompt: What year did Julius Caesar cross the Rubicon River?
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: What year did Julius Caesar cross the Rubicon River?
chosen.role: assistant
chosen.content: Julius Caesar crossed the Rubicon River in January 49 BC. The river marked the boundary between Cisalpine Gaul, a Roman province, and Italy. Julius Caesar broke the law when crossing the Rubicon and the action prompted a war. 
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: What year did Julius Caesar cross the Rubicon River?
rejected.role: assistant