Please choose the correct solution to the question: How to dye a pebble?

Solution1: Clean the pebble, prepare a dye solution in vinegar and then heat the pebble in a skillet and let it sit in the dye for an hour

Solution2: Clean the pebble, prepare a dye solution in water and then heat the pebble in an oven and let it sit in the dye overnight

Answer format: solution1/solution2
Answer: solution2