{"answers": "C", "options": ["m : yes , i think the price is quite reasonable as well . even tough it is a new brand , its quality is good .", "m : yes , $ 3000 is a very high price . but if you want to buy a good piano , this should be the first choice .", "m : its price is very high indeed , because it is the best piano in our store and its brand is very famous .", "m : if you think its price is very low , we have more expensive ones . this one is just medium in our store ."], "article": "f : how much is this piano , please ? m : $ 1000 . f : my god ! that 's a fortune ! m : but you must realize that this is the most famous brand . f : but it 's too dear for me .", "id": "train_2081"}