Physical education should teach people to pursue healthy, active lifestyles as they grow older. But the focus on competitive sports in most schools causes most of the less competitive students to turn away from sports. Having learned to think of themselves as unathletic, they do not exercise enough to stay healthy. Which one of the following is most strongly supported by the statements above, if they are true? ['Physical education should include noncompetitive activities.', 'Children should be taught the dangers of a sedentary lifestyle.', 'The mental aspects of exercise are as important as the physical ones.', 'Competition causes most students to turn away from sports.']