Please choose the correct solution to the question: How to soften a hardened paintbrush to paint with?

Solution1: Place some vinegar in a baking pan and heat the paintbrush on the stove, then pour the vinegar over the paintbrush and let it sit for 10 minutes before combing away the paint with some wire

Solution2: Place the paintbrush in a baking pan and heat some vinegar on the stove, then pour the vinegar over the paintbrush and let it sit for 10 minutes before combing away the paint with some wire

Answer format: solution1/solution2
Answer: solution2