Please choose the correct solution to the question: Learn how to soak a ring before using a cleaning paste.

Solution1: Put a cup of water into the measuring glass and microwave to a boil, remove the glass from the microwave and place the ring in the water and add citric acid to soak for five minutes.

Solution2: Put a cup of water into the measuring glass and microwave to a boil, remove the glass from the microwave and place the ring in the water to soak for five minutes.

Answer format: solution1/solution2
Answer: solution2