prompt: What is the most fuel efficient car?
chosen.content: What is the most fuel efficient car?
chosen.role: user
chosen.content: The Toyota Prius is the most fuel-efficient car available in the U.S., with an EPA estimated combined fuel efficiency of 52 mpg. Other highly fuel-efficient cars include the Hyundai Ioniq, Kia Niro, Honda Civic, and Volkswagen Golf.
chosen.role: assistant
rejected.content: What is the most fuel efficient car?
rejected.role: user
rejected.content: The most fuel efficient car is the Toyota Prius, which gets an estimated fuel efficiency of 58 mpg in the city and 53 mpg on the highway.
rejected.role: assistant