prompt: What's the U.S. City with the lower black population?
chosen: What's the U.S. City with the lower black population?
chosen: user
chosen: According to the U.S. Census Bureau, the city with the lowest percentage of black population is Pittsburgh, Pennsylvania with 25.9% of the population identifying as black or African American.
chosen: assistant
rejected: What's the U.S. City with the lower black population?
rejected: user
rejected: assistant