prompt: Which element is said to keep bones strong?
chosen: Which element is said to keep bones strong?
chosen: user
chosen: Calcium is said to keep bones strong. It is a key mineral that is needed for healthy bones, teeth, and joints, and is the most common mineral found in our bones. In order to get enough calcium to keep bones strong, it's important to get enough of it through our diet. Foods high in calcium include dairy products, greens, nuts, fish with bones, and citrus fruits.
chosen: assistant
rejected: Which element is said to keep bones strong?
rejected: user
rejected: assistant