Please choose the correct solution to the question: To remove the skin of a tomato,

Solution1: Cut a small X into the skin and put it into boiling water. When the skin begins to curl at the X, put the tomato in ice cold water and gently rub the skin off,

Solution2: Cut a small X into the skin and put it into cool water. When the skin begins to curl at the X, put the tomato in warm water and gently rub the skin off,

Answer format: solution1/solution2
Answer: solution1