Please choose the correct solution to the question: To cut perfect slices of cheesecake.

Solution1: Grab a piece of unflavored dental floss. Position it above the cake; then, holding it taut, press down through the cake with a gentle sawing motion. You'll get a clean slice every time.

Solution2: Grab a piece of unflavored dental floss. Position it above the cake; then, holding it taut, press down through the cake with a gentle sawing motion. You'll get a dirty slice every time.

Answer format: solution1/solution2
Answer: solution1