prompt: Was Barack Obama president?
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: Was Barack Obama president?
chosen.role: assistant
chosen.content: Barack Obama was the president of the United States for 8 years. He was first elected President on November 4, 2008, and re-elected on November 6, 2012. His presidency ended on January 20, 2017 after the inauguration of Donald Trump.
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: Was Barack Obama president?
rejected.role: assistant