Please choose the correct solution to the question: How to prepare a loofah for use.

Solution1: Squeeze some shampoo onto the loofah. Run it under water briefly, and then rub the material against itself to build up a lather.

Solution2: Squeeze some soap or body wash onto the loofah. Run it under water briefly, and then rub the material against itself to build up a lather.

Answer format: solution1/solution2
Answer: solution2