Please choose the correct solution to the question: Removing spray paint from concrete

Solution1: Apply nail polish remover to the painted surface.Cover the remover with sand paper. Use a pressure washer to remove the gel.Apply masonry cleaner to porous surfaces after stripping

Solution2: Apply paint stripping gel to the painted surface.Cover the gel with plastic wrap. Use a pressure washer to remove the gel.Apply masonry cleaner to porous surfaces after stripping

Answer format: solution1/solution2
Answer: solution2