Finish the following sentence with the best choice: How can I keep my diamond ring sparkling?

Choices:
- You can soak the ring in warm water and mild dishwashing liquid, and scrub with a soft toothbrush
- You can soak the ring in warm water and mild dishwashing liquid, and scrub with steel wool.

Answer:
You can soak the ring in warm water and mild dishwashing liquid, and scrub with a soft toothbrush