prompt: What was the first type of anesthesia used in surgery?
  
  On October 16, 1846, the first successful public demonstration of the use of ether for surgical anesthesia was performed, making pain-free surgery possible.
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: What was the first type of anesthesia used in surgery?
  
  On October 16, 1846, the first successful public demonstration of the use of ether for surgical anesthesia was performed, making pain-free surgery possible.
chosen.role: assistant
chosen.content: The first type of anesthesia used in surgery was ether.
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: What was the first type of anesthesia used in surgery?
  
  On October 16, 1846, the first successful public demonstration of the use of ether for surgical anesthesia was performed, making pain-free surgery possible.
rejected.role: assistant