Finish the following sentence with the best choice: To marinate pork with sweet and sour sauce for cooking.

Choices:
- Cut the pork into small pieces, marinate them with sweet and sour sauce for 30 minutes and then wash with water, and cook.
- Cut the pork into small pieces, marinate them with sweet and sour sauce for 30 minutes and cook.

Answer:
Cut the pork into small pieces, marinate them with sweet and sour sauce for 30 minutes and cook.