{"answers": "C", "options": ["f : i 'm so glad that you invite me to be a guest tonight . i 'll arrive at 8:00 pm .", "f : thanks . i will enjoy my voluntary time tomorrow .", "f : thanks . i 'll try my best to be a volunteer .", "f : i think i do n't need to buy a ticket because i wo n't go to tonight 's event ."], "article": "m : we are looking for volunteers for tonight 's event . are you available ? f : yeah . m : the guests will arrive at 7:30 pm . you can be at the front desk to take the tickets .", "id": "train_6171"}