{"answers": "B", "options": ["m : the bus is cheaper .", "m : the train goes there directly and it is cheaper .", "m : the train goes there directly but it is expensive .", "m : you can go there by taxi since it is cheaper ."], "article": "f : should i take a taxi or a bus to the town center ? m : you can take either . but the train goes there directly . it 's cheaper too . f : thanks . i 'll do that instead .", "id": "dev_561"}