Finish the following sentence with the best choice: What should I use to fold a dollar bill into a paper heart?

Choices:
- You can simply use your hands to make the folds, and your tongue to sharpen the creases and adjust.
- You can simply use your hands to make the folds, and your fingernails to sharpen the creases and adjust.

Answer:
You can simply use your hands to make the folds, and your fingernails to sharpen the creases and adjust.