{"answers": "A", "options": ["m : so i have to pay 35 yuan , right ?", "m : since these cards are 15 yuan each and the smaller ones are 10 yuan each , i need to pay 40 yuan .", "m : since these cards are 15 yuan each , i need to pay 45 yuan .", "m : i need to pay 35 yuan , although these cards are 15 yuan each , right ?"], "article": "m : i 'd like to buy these for greeting cards . are they 10 yuan each ? f : three of them are , but that smaller one costs only half the price of the big one .", "id": "train_6359"}