{"answers": "D", "options": ["f : yes , i left beijing during winter vocation . do you need something to drink ? i have some coffee in my apartment .", "f : it is good to be back to classroom . do you remember the teacher of our interest class we took together ?", "f : forget about the homowork , we will not be back to school until next week . i am enjoying lying on the beach .", "f : yes , it is good to be back to classroom . actually , i went to travel around , which was interesting but tiring ."], "article": "m : so , we 're back in class at last . i did n't see you around this summer , mary . did you leave beijing ?", "id": "train_2723"}