{"answers": "A", "options": ["f : it 's $ 50 for your pink sweater . cash , phone or credit card ?", "f : let me check . blue sweater in large size , $ 40 , please .", "f : this white sweater you choose is cheaper than others .", "f : we only have large-size pink sweater , so there 's a discount ."], "article": "f : can i help you ? m : yes , i 'm looking for a sweater in a medium size . f : let 's see . here is a nice white one . what do you think ? m : i think i 'd rather have it in blue . oh no , the pink one . it looks better . f : ok. here 's pink in a medium . would you like to try it on ? m : ok. yes , i love it . it fits perfectly . how much is it ?", "id": "train_1613"}