Finish the following sentence with the best choice: How do I prepare the area to build a sun room addition to a house?

Choices:
- remove obstructions and clean the area. Also, make sure that the grade is such that it slopes towards from the house.
- remove obstructions and clean the area. Also, make sure that the grade is such that it slopes away from the house.

Answer:
remove obstructions and clean the area. Also, make sure that the grade is such that it slopes away from the house.