Finish the following sentence with the best choice: To treat superficial frostbite,

Choices:
- remove any wet clothes, immerse the affected area in a warm water bottle for 15 to 30 minutes, take ibuprofen for pain, keep the affected area warm but not hot, and watch for swelling or blistering.
- remove any wet clothes, immerse the affected area in a warm water bath for 15 to 30 minutes, take ibuprofen for pain, keep the affected area warm but not hot, and watch for swelling or blistering.

Answer:
remove any wet clothes, immerse the affected area in a warm water bath for 15 to 30 minutes, take ibuprofen for pain, keep the affected area warm but not hot, and watch for swelling or blistering.