{"answers": "C", "options": ["f : you are right . he is smart and fun . he never demands much .", "f : yes . he is easy-going and never demands much but boring .", "f : you are right . the professor is demanding but a easy grader .", "f : yes . the biology professor is demanding but a easy grader ."], "article": "f : did you ever take history 231 ? m : yeah , last semester . f : i took the course this semester . what do you think about the professor ? m : he 's a terrible instructor and demands a lot , but fortunately , he 's an easy grader .", "id": "train_4105"}