Please choose the correct solution to the question: How to quickly mash apples?

Solution1: Place apples in a firm pot and then cool them down in cold water, after a few minutes remove the apples and place them in a bag, step on them to mash them

Solution2: Place apples in a firm pot and then heat them up in boiling water, after a few minutes remove the apples and place them in a bag, step on them to mash them

Answer format: solution1/solution2