{"answers": "B", "options": ["f : why do n't you mention how far away should people sit from their computers ?", "f : exactly , we should sit about an arm 's length away from our computers .", "f : yeah , it is will be ok only people do not sit too close from their computets because how you sit at the computer is not important .", "f : although how we sit at the computer is not important , we should sit about an arm 's length away from our computers ."], "article": "f : our guest today is dr. lia kwan . dr. kwan works with computer related injuries and problems . dr. kwan , do you see more computer-related problem these days ? m : oh , definitely yes . people are doing more and more with computers and that means more physical problems . f : so what can we do ? m : well , how you sit at the computer is very important . first , have a good chair . it should support your back well . f : ok , a good chair . m : and also your feet should be flat on the floor when you 're sitting . you should n't cross your legs . f : ok. i do n't always keep my feet flat on the floor at the computer . m : i know , it 's hard sometimes . anyway , you should n't sit too close to the screen either . f : is half a meter away enough ? m : not exactly . you should sit about an arm 's length away .", "id": "train_2050"}