Please choose the correct solution to the question: Make hot chocolate.

Solution1: In a metal pot, boil water on the stove. Add cocoa powder to a mug, then add the boiled water, and stir with a spoon.

Solution2: In a metal pot, boil water in the oven. Add cocoa powder to a mug, then add the boiled water, and stir with a spoon.

Answer format: solution1/solution2
Answer: solution1