{"answers": "B", "options": ["f : oh , yes . i saw the computer on the catalog i received and i want it .", "f : how much is sp 506 ? i did n't see any price on the catalog i received .", "f : sp504 , yeah . i watched the ad on tv . can you introduce more to me ?", "f : yes , the previous model of dictionary . i heard it 's very useful by chance ."], "article": "m : hello , e-shop . what can i do for you ? f : i 've just received your catalog and i 'd like to inquire about something in it . m : yes , ma'am . what 's the product number ? f : sp 506 . m : let me see . here we are . it 's our latest model of electronic dictionary .", "id": "train_2322"}