{"answers": "D", "options": ["f : and let 's get on the train together since we are on the same row .", "f : thanks for caring for the luggage though we wo n't take the sam train .", "f : how about you go to the washroom after i buy a cup of coffee ?", "f : thank you for caring for the luggage , i 'll be back as soon as possible ."], "article": "m : excuse me , is this seat taken ? f : no , i do n't think so . m : thanks . i am waiting for the train at 9:00 o'clock to shanghai . where will you go ? f : what a coincidence ! we are on the same train . m : really ? what is your seat number ? f : no.5 on the second row , and you ? m : i am on the third row no.10 . f : could you please keep an eye on my luggage ? i want to go to the washroom . m : no problem .", "id": "train_1484"}