{"answers": "A", "options": ["f : i hope we can see the green lake clearly .", "f : yes , it will be blue due to underwater plants .", "f : i know it is orange because now is fall .", "f : you mean it is green during winter like now ?"], "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 . f : we had a late breakfast , so i can wait . i 'm excited to see this lake . the guidebook says it changes color throughout the year . m : that 's true , in the fall and winter , it 's skyblue because of the light reflecting off tiny pieces of ice in the lake . at this time of year . it turns green because of the plants that grow under the water .", "id": "train_626"}