{"answers": "D", "options": ["f : great ! so the conference lasts for one month , from may to june .", "f : great ! so the conference lasts for only one week in june .", "f : great ! so the conference lasts for two weeks in the uk .", "f : great ! so the conference lasts for two weeks ."], "article": "f : why do n't you sit down ? now there are several questions i must ask you if you do n't mind . m : not at all , go ahead . f : what is the purpose of your visit to the state ? m : i 'm going to attend a conference on air pollution . f : when and where is this conference being held ? m : it 's being held in the first two weeks of february at stanford university in california .", "id": "train_1185"}