Please choose the correct solution to the question: To clean rust from a stainless steel sink,

Solution1: apply one part vinegar and one part baking soda, let set for one hour, then scrub the area with a metal pan.

Solution2: apply one part vinegar and one part baking soda, let set for one hour, then scrub the area with a metal pad.

Answer format: solution1/solution2
Answer: solution2