{"answers": "A", "options": ["m : it 's the package post way . reconfirm !", "m : ok.you choose first class to mail .", "m : package post is the fastest one .", "m : it 's the third class post way ."], "article": "f : i want to mail this package to korea . m : how would you like to send it ? f : first class , please . m : it will cost you 20 pounds because your package is too heavy . it will take 2 days to get there . f : 20 pounds ? is there a cheaper way ? m : yes , there is . it 's the package post way , but it will take you 10 days longer than the first class to get there . f : ok , i think i 'd like this way .", "id": "train_3183"}