Finish the following sentence with the best choice: to prevent your bathroom mirror from fogging up after a hot shower

Choices:
- after  showering, run a bar of soap over the mirror lightly, making sure to cover the whole surface.
- Before showering, run a bar of soap over the mirror lightly, making sure to cover the whole surface.

Answer:
Before showering, run a bar of soap over the mirror lightly, making sure to cover the whole surface.