{"answers": "D", "options": ["f : that ' s amazing ! it can do a lot of dangerous work ! your son is amazing to develop a machine like this !", "f : but this television is not for sale at the moment , so i ' m not going to buy it , i can ' t afford it at all .", "f : i 've never seen a car charged by the sun ! this is so new ! honey , will you buy it for me ?", "f : amazing ! it ' s really good to charge by the power of the sun . your product is really great !"], "article": "m : excuse me , madame . could i have a few minutes of your time , please ? f : yes . m : i 'm daniel robinson and i represent kruzel automaten 's limited . you see , our company has produced a robot . it seems that you live alone . you might be interested in it . f : can she help with my housework ? m : sure . f : what if i want the floor cleaned ? can she do it ? m : certaintly , she can finish cleaning the floor within 10 minutes . she 's a real wonder . f : what about the power connection ? does she operate on batteries ? m : no , just put it under the sun once a week .", "id": "dev_442"}