Please choose the correct solution to the question: How to prime a wooden object before painting?

Solution1: Before you get ready to paint, sand the wooden surface so it is smooth and paint a layer of sealant on the wood, wait for it to dry then paint

Solution2: Before you get ready to paint, paint a layer of sealant on the wood and then paint, sand the wooden surface after painting it

Answer format: solution1/solution2
Answer: solution1