Please choose the correct solution to the question: How can I preserve the condition of my cashmere sweater?

Solution1: Popping your favorite cashmere sweater in the microwave will help refresh it fast and without the wear and tear associated with traditional cleaning methods.

Solution2: Popping your favorite cashmere sweater in the freezer will help refresh it fast and without the wear and tear associated with traditional cleaning methods.

Answer format: solution1/solution2
Answer: solution2