Please choose the correct solution to the question: How can you keep a brass ring from turning your finger green?

Solution1: Take the ring and place it on a piece of cardboard. Use white nail polish and paint the inside of the ring with it. Allow to dry for an hour before wearing.

Solution2: Take the ring and place it on a piece of cardboard. Use clear nail polish and paint the inside of the ring with it. Allow to dry for an hour before wearing.

Answer format: solution1/solution2