Please choose the correct solution to the question: How do I make an instant coffee?

Solution1: Heat up a mug full of water for 1.5 minutes in the microwave. Then add a tablespoon of instant coffee mix and stir with the spoon.

Solution2: Heat up a mug full of water for 1.5 minutes in the oven. Then add a tablespoon of instant coffee mix and stir with the spoon.

Answer format: solution1/solution2