prompt: When did the TV series Leave it to Beaver first premiere?
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: When did the TV series Leave it to Beaver first premiere?
chosen.role: assistant
chosen.content: The first season of the classic TV series Leave it to Beaver premiered on October 4, 1957. It consisted of 39 episodes and was shot in black and white. Each episode had a running time of approximately 25 minutes. 
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: When did the TV series Leave it to Beaver first premiere?
rejected.role: assistant