prompt: When did they start celebrating Halloween in the USA?
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: When did they start celebrating Halloween in the USA?
chosen.role: assistant
chosen.content: The first citywide Halloween celebration took place in Anoka, Minnesota in 1921.
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: When did they start celebrating Halloween in the USA?
rejected.role: assistant