Please choose the correct solution to the question: To spray paint using the stencil.

Solution1: Glue sturdy cardboard frame around the edges of the stencil so it's easy to hold. Lay it flat on the surface to be painted and spray.

Solution2: Glue sturdy cardboard frame around the edges of the stencil so it's easy to hold. Lay it flat under the surface to be painted and spray.

Answer format: solution1/solution2
Answer: solution1