Please choose the correct solution to the question: To slice cookie bars in a pan,

Solution1: using a chef's knife, press down into the cookie bars until you feel it slice through to the pan, making horizontal and vertical lines of equal distance across the pan.

Solution2: using a chef's knife, press down into the cookie bars gently to cut through the top layer, making horizontal and vertical lines of equal distance across the pan.

Answer format: solution1/solution2
Answer: solution1