{"answers": "C", "options": ["f : well , slow walking is really good for our body , as you said , i 'll try to do slow walking for 3 hours everyday .", "f : well , long-distance running is pretty good , but since you have never done some exercises , i 'll figure out how it feel by myself .", "f : okay , i 'll try to do some jogging everyday .", "f : alright , jogging is pretty good , but you said it is a hard way to promote the health , so i wo n't try it ."], "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 .", "id": "train_4091"}