Please choose the correct solution to the question: how to clean cast iron skillet

Solution1: Wash cast iron by hand with a steel brillo pad . ...    Dry promptly and thoroughly with a lint-free cloth or paper towel.    Rub with a very light layer of cooking oil or our Seasoning Spray, preferably while the cookware is still warm.

Solution2: Wash cast iron by hand with a nylon bristle scrub brush. ...    Dry promptly and thoroughly with a lint-free cloth or paper towel.    Rub with a very light layer of cooking oil or our Seasoning Spray, preferably while the cookware is still warm.

Answer format: solution1/solution2
Answer: solution2