Please choose the correct solution to the question: How can I get my flattened pillow to plump up?

Solution1: Place it in the sun for 30 min., the sun will get rid of the moisture and plump it up.

Solution2: Place it in the damp bath tub for 30 min., the sun will get rid of the moisture and plump it up.

Answer format: solution1/solution2
Answer: solution1