Please choose the correct solution to the question: How do I prepare a container to take care of ducklings?

Solution1: Line a cardboard box with clean cutting board and place ducklings into the box about 24 hours after they're born, add a 100-watt bulb inside the box to keep them warm.

Solution2: Line a cardboard box with clean towels and place ducklings into the box about 24 hours after they're born, add a 100-watt bulb inside the box to keep them warm.

Answer format: solution1/solution2