Finish the following sentence with the best choice: How to clean a greasy BBQ grill without using chemicals.

Choices:
- Put your grill grate in the oven and cook it on the lowest temperature for an hour.
- Put your grill grate in the oven and cook it on the highest temperature for an hour.

Answer:
Put your grill grate in the oven and cook it on the highest temperature for an hour.