Finish the following sentence with the best choice: How can I cut cake perfectly and NOT smudge the nice icing?

Choices:
- Use dental dam, saw back and forth gently until you get to the bottom of the cake, it will slice through better than a knife.
- Use dental floss, saw back and forth gently until you get to the bottom of the cake, it will slice through better than a knife.

Answer:
Use dental floss, saw back and forth gently until you get to the bottom of the cake, it will slice through better than a knife.