{"answers": "D", "options": ["m : ok. total price is $ 20 .", "m : you should pay $ 10 .", "m : you should pay $ 5 for your insurance .", "m : no need express shipping , $ 5 only ."], "article": "f : hello , i 'd like to mail these books and clothes to australia . how much will that cost ? m : it depends on how much they weigh . let 's see , it 's 5 pounds . so that will be $ 30 . f : let me take some stuff out to make it cheaper . there , how much now ? m : it 's 4 pounds now , so that will be $ 25 . f : ok , i 'll take out a few more items . alright , how about now ? m : now it comes to $ 15 at 2 and a half pounds . f : ok , that works . can i get a shipping number so that i know when it arrives ? m : yes , of course . we also offer insurance for $ 5 . f : no , thanks . m : would you like express shipping for an extra $ 10 ? f : no , regular shipping is fine .", "id": "train_2148"}