Finish the following sentence with the best choice: Add ventilation to a room.

Choices:
- Cut a hole in the wall the size of your ventilation tubing. Insert the tubing into the hole and fill in around the edges with silicone.
- Cut a hole in the wall the size of your ventilation tubing. Insert the tubing into the hole and fill in around the edges with frosting.

Answer:
Cut a hole in the wall the size of your ventilation tubing. Insert the tubing into the hole and fill in around the edges with silicone.