{"answers": "C", "options": ["m : well , later i will discuss with you about more knowledge of exercise , do n't forget what i told you , doing daily exercise for 3 hours everyday .", "m : well , do n't forget the importance of doing exercise though you already had a full knowledge about exercise before .", "m : alright , always remember the importance of doing exercise and do n't forger what i told you .", "m : i have never tried to do some exercises , but since you have learned all the ways to exercise , you should have a try ."], "article": "f : i know you pay a lot of attention to exercise in your daily life . could you tell me something about exercise ? m : ok. i 'm just interested in exercise . the importance of exercise is nothing new . thomas jefferson once wrote that to be successful and academic studies , a person should give about 2 hours everyday to exercise . f : 2 hours every day ? i ca n't do that . m : most experts today do not demand 2 hours of daily exercise . they recommend that people get 60 minutes of moderate to vigorous physical activity most days of the week . f : how does exercise do good to our health ? m : for example , brisk walking , jogging and swimming are easy ways to boost your heart rate and promote your health . exercise can also help to lower blood pressure and counter stress . for women , exercise that makes the body and bones bear weight , like walking or running may reduce the risk of osteoporosis later in life . f : are there other benefits of doing exercise ? m : you 'll probably discover a subtler benefit of exercise as well . greater self confidence , this may make it easier for you to participate in class and help you do well in academic and social situations . f : ok , thanks . i think i will keep exercising in the future .", "id": "train_4093"}