Please choose the correct solution to the question: How To Drink Coffee without Staining Your Teeth

Solution1: To Drink Coffee without Staining Your Teeth, drink your coffee through a straw to maximize the liquid's contact with your teeth.

Solution2: To Drink Coffee without Staining Your Teeth, drink your coffee through a straw to minimize the liquid's contact with your teeth.

Answer format: solution1/solution2
Answer: solution2