{"answers": " ", "options": ["m : you mean , since there 's no underground in london , bus will be the best .", "m : i think so . it 's both convenient and comfortable to take underground", "m : do you like london undergrounds the most , though it 's not comfortable ?", "m : so you highly recommend taxis as they never get caught in traffic jams ."], "article": "m : have you traveled much in britain ? f : no , not much . but i travel quite a lot in london every day . m : what do you think of the london traffic ? f : i think the london underground is ok because it 's fast and comfortable , but i also like your london buses , especially for short journeys . m : but do n't you think the buses are rather slow ? f : yes , i do , particularly in rush hour . m : what about london taxis ? f : taxis often get caught in traffic jams , and besides , fared too expensive . m : well , what do you think is the best way to travel in london ? f : ah , the london underground i think .", "id": "test_434"}