Please choose the correct solution to the question: How to change a baby's diaper.

Solution1: Lay baby on back. Use wipes to clean baby's diaper region. Remove dirty diaper then put on a fresh diaper.

Solution2: Lay baby on their side. Use wipes to clean baby's diaper region. Remove dirty diaper then put on a fresh diaper.

Answer format: solution1/solution2
Answer: solution1