Finish the following sentence with the best choice: How to prepare wood chips for smoking.

Choices:
- Soak wood chips in water for 30 minutes, and then place the drained chips on the hot coals.
- Soak wood chips in propane for 30 minutes, and then place the drained chips on the hot coals.

Answer:
Soak wood chips in water for 30 minutes, and then place the drained chips on the hot coals.