{"answers": "C", "options": ["f : wow , it covers a distance of 200 kilometers and takes place over 7 days !", "f : although it only allows certain people to do the run , i want to have a try because it takes place over 7 days .", "f : so it only allows certain people to do the run , does n't it ?", "f : oh , although it is not as challenging as some other courses , it takes place over 5 days and over a distance of 600 miles ."], "article": "f : do a lot of people do mountain running ? m : yes , the runs take place in the countryside . the areas like the lake district in the highlands of scotland are very popular . but this does n't stop people from the city taking part . for example , i drive to my club for my city apartment . f : can you tell me the history of mountain running ? m : well , there are records of people doing this going back nearly 1000 years . it was always been connected with country fairs and festivals . overtime it became official , and nowadays a run is operated usually on its own . f : hmm , what are the tougher courses like ? m : there is a race called the dragons back , which takes place over 5 days and over a distance of 200 miles . but before you sign up for it , i should point out that only people with lots of experience are allowed to enter .", "id": "dev_19"}