prompt: What U.S. city has the highest population?
chosen.content: What U.S. city has the highest population?
chosen.role: user
chosen.content: The U.S. city with the highest population is New York City. It has a population of 8.4 million, making it the most populous city in the nation.
chosen.role: assistant
rejected.content: What U.S. city has the highest population?
rejected.role: user
rejected.content: The U.S. city with the highest population is New York City.
rejected.role: assistant