{"answers": "B", "options": ["f : the sandwich is $ 6 more expensive than the black coffee . it 's better to have the coffee alone .", "f : then it 's 6 dollars in total for your sandwich and your black coffee , sir .", "f : a cup of black coffee and a sandwich are 7 dollars in total . cash or credit card ?", "f : then it 's 11 dollars in total , sir . do you want to pay in cash or credit card ?"], "article": "f : sir , the black coffee costs $ 5 . but if you buy this sandwich of $ 6.00 , you can get a black coffee free of charge . m : then i will surely go for the sandwich .", "id": "train_6223"}