Health experts persuaded those who regularly drink pure water on TV shows: Compared with mineral water, pure water lacks minerals, and some of them are necessary for the human body. Therefore, you should change your habits and drink more mineral water. Which of the following can most weaken the opinion of a health professional? ['The body needs more than just minerals.', 'People can get enough minerals from other foods.', 'Some people who regularly drink a certain brand of mineral water have kidney stones.', 'Drinking water other than pure water and mineral water.']