Please choose the correct solution to the question: how to cut bottles for drinkware

Solution1: soak a piece of string in alcohol. wrap around the bottle at desired height and tie. Light string on fire, and allow to burn for a bit, before dipping in cold water. firmly tap against a stiff surface. sand edges with a light sandpaper

Solution2: soak a piece of string in activated charcoal. wrap around the bottle at desired height and tie. Light string on fire, and allow to burn for a bit, before dipping in cold water. firmly tap against a stiff surface. sand edges with a light sandpaper

Answer format: solution1/solution2
Answer: solution1