trajectory.role: user
trajectory.content: You are reviewing a completed episode.
  
  Episode log:
  - The assistant chose fen.
  - The assistant chose sed.
  - Outcome: the door opened.
  - Reward: +1.
  
  History of earlier episodes:
  - When the assistant chose fen, the door opened in 6 of 10 episodes; when it did not, the door opened in 3 of 10.
  - When the assistant chose sed, the door opened in 7 of 10 episodes; when it did not, the door opened in 7 of 10.
  
  Review.
  Event 1: the assistant chose
trajectory.role: assistant
trajectory.content:  fen