Please choose the correct solution to the question: To bring a pot of water to a boil.

Solution1: Place the pot with the water on the stove and turn the stove up to the highest heat. Let the water heat up until there is a constant stream of large bubbles disturbing the water.

Solution2: Place the pot with the water on the stove and turn the stove up to the highest heat. Let the water heat up until you hear a low thrumming noise, and the water turns a light green color.

Answer format: solution1/solution2