{"answers": "C", "options": ["m : maybe you ca n't see it , but our chinese teacher is a very knowledgeable person .", "m : i bet you have known that our history teacher is very knowledgeable .", "m : maybe you ca n't see it , but our history teacher is a very knowledgeable person .", "m : our politics teacher we have been talking about is very knowledgeable ."], "article": "m : do you like our new history teacher ? f : i 'm tired of his endless talking , he never gives us a little time to discuss things . m : you ca n't say that , he is a very knowledgeable person . f : but i ca n't see it .", "id": "train_6216"}