{"answers": "C", "options": ["f : oh . hi , bil . we are both teaching assistants now , although we teach different classes .", "f : oh . hi . could you please introduce yourself ? i have no idea that we are in the same class .", "f : oh . hi , bil . we are in the same class .", "f : oh . hi , bil . i 'm so glad that we both work on the school magazine , although we are in different classes ."], "article": "f : hello . m : hi , sue . it 's bil parker from your geometry class .", "id": "train_4309"}