Finish the following sentence with the best choice: How to remove the fog from a mirror?

Choices:
- When wiping down your mirror use a shaving razor  it will make it "fog proof" for a few weeks.
- When wiping down your mirror add shaving cream, it will make it "fog proof" for a few weeks.

Answer:
When wiping down your mirror add shaving cream, it will make it "fog proof" for a few weeks.