Please choose the correct solution to the question: How to remove difficult decals.

Solution1: Spray the decals and the surrounding areas with WD-40, lifting the edges to get underneath, if possible. Let sit, then gently scrape away the decal with the edge of a cookie sheet. Degrease the tub with liquid dishwashing soap.

Solution2: Spray the decals and the surrounding areas with WD-40, lifting the edges to get underneath, if possible. Let sit, then gently scrape away the decal with the edge of a credit card. Degrease the tub with liquid dishwashing soap.

Answer format: solution1/solution2
Answer: solution2