{"answers": "B", "options": ["m : are you going to see your sister on saturday ? but did n't you buy two concert tickets ?", "m : so you will look after your brother 's son this saturday ? it 's a pity you ca n't go the the concert .", "m : great , my brother gave me two concert tickets so we will go to the concert on saturday .", "m : since you will look after your brother 's son this saturday , i wo n't buy the tickets ."], "article": "m : if you 'd like to go to the concert this saturday , my sister will give me 2 front row tickets . f : thank you but i promised my brother that i 'd watch his son .", "id": "train_4918"}