Finish the following sentence with the best choice: How can I make a scratched keyboard easier to read?

Choices:
- Tape off keyboard and paint keys. Use a marker of the same color to write letters and numbers on keys.
- Tape off keyboard and paint keys. Use a marker of a contrasting color to write letters and numbers on keys.

Answer:
Tape off keyboard and paint keys. Use a marker of a contrasting color to write letters and numbers on keys.