Finish the following sentence with the best choice: To cut perfect slices of cheesecake.

Choices:
- 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.
- 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:
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.