{"answers": "C", "options": ["f : do you just want a red one which is $ 5.50 which is the same as the green one .", "f : please pay $ 11 in total for two red phones .", "f : no problem . it is $ 11 for two red ones which are the cheaper ones .", "f : okay . you can spend $ 13.6 for two green ones which are cheaper than red ones ."], "article": "m : how much are these bags ? f : the red ones sell for $ 5.50 each , and the green ones for $ 6.80 each . m : i 'll take two of the cheaper ones then .", "id": "train_5580"}