{"answers": "A", "options": ["f : 40 minutes walking is acceptable . in order to see the beautiful lake , it is worthy to walk that long .", "f : ok , let 's go 20 minutes from the top to see the lake . we get ticktes after visiting the lake , right ?", "f : we need to walk another 40 minutes ? i hope i could finish it . but i think it is time for lunch now .", "f : you mean we go to the lake first , and need to walk for another 3 hours to get to the mountain top ?"], "article": "m : did you grab everything from the car ? we should check before we leave this area . we have a long day of hiking ahead of us . f : yes , i did it already . where should we go now ? m : we 're going up to the top part of the mountain . f : is that where we get the tickets ? m : yeah , it 's about a 20-minute walk from here . f : that 's not so bad . m : just wait till we get the tickets . it 's a 3-hour hike from there to the top . f : how far is the lake from the top ? m : another 40 minutes , we can have lunch at the top or down by the water .", "id": "train_625"}