{"answers": "D", "options": ["f : it 's enough for your friends to travel abroad for ten days .", "f : you are so happy that you can travel alone for five days .", "f : if you do n't travel with your parents , seven days is a bit longer .", "f : seven days is good choice . your parents must have a happy time ."], "article": "f : hello , this is katrina travel agency . may i help you ? m : yes , this is edgar . i 'll have a holiday . and i 'm thinking about traveling abroad with my parents . can you give me some advice ? f : of course . may i ask how long you will plan to travel . m : about a week .", "id": "train_3881"}