The goal of the physical education class is to encourage the educated to maintain a healthy physique, mental state and lifestyle. However, many schools tend to focus on competitive sports only, which alienates most students who lack competition in this field. They feel that they have I don't want to be an athlete, so little attention is paid to promoting health through adequate exercise. Which of the following conclusions is most likely to be reached based on the above judgment? ['Physical education should include non-competitive sports.', 'The competitive nature of physical education has alienated most students from physical education.', 'Students who are good at competitive sports can exercise enough.', 'Maintaining a healthy mental state is as important as maintaining a healthy physique.']