{"answers": " ", "options": ["f : we go out at the exit 51 on the m25 and then we are on the m4 and take the first exit , right ?", "f : you mean we take the first exit on the m25 ? but i do n't believe in this map , it is not up-to-date .", "f : yes , we should take the first exit on the m4 , and then we will arrive at the highthrow airport .", "f : i see . here is the m4 , we go out from the first exit on it , and the heathrow airport is very close ."], "article": "f : ok , i 've got an up-to-date map . let 's check the route from here to the airport . m : ok. here we are . so we drive to the a120 and turn left . f : no , we turn right . remember that we are coming from this direction . m : oh yes . sorry . we need to drive only 7 miles to the m11 motor way and then we turn left to join the motorway and drive south . f : according to the map , we get off the m11 at the second intersection and joined the m25 . that 's the motor way that goes around the edge of london . m : that 's another 15 miles so that 's 22 miles in total so far . f : then we drive west on the m25 . m : then we continue driving on the m25 when it turns south . when we reach exit 15 , we turn left and drive along the m4 . then we take the first exit for heathrow airport . what 's the total distance ?", "id": "test_443"}