{"answers": "A", "options": ["m : all right , thanks ! i 'm on the first floor . i 'll go upstairs .", "m : thank you . i see the laboratory at the corner . it 's on the first floor .", "m : so you mean that the laboratory is on the third floor ?", "m : since i 'm already on the second floor , i can go to the laboratory ."], "article": "m : i 'm looking for the laboratory . am i on the right floor ? f : no , it 's on the second floor . you can take the stair up .", "id": "dev_807"}