{"answers": "D", "options": ["m : i see . though san francisco is bigger , it has smaller population , making the traffic easier .", "m : so it 's small and has good transportation , making moving convenient , though you prefer la .", "m : oh , there is no cable cars in san francisco , but the subways make things more convenient .", "m : thanks to the smaller city area and good transportation , it 's easier to move around there ."], "article": "m : hi , jane . welcome back . how was the west coast ? f : terrific . i had a wonderful time . it was really nice to get away from the city for a while . m : what did you think of los angeles ? f : it was alright . i liked it better than i thought i would . it 's very clean and spacious and it 's got a lot of trees . the problem is transportation . the bus service is terrible and of course , they do n't have any subway , so it 's a little difficult to get around . we had to rent a car . m : and was the weather good ? f : oh yes , it was nice and warm in los angelus and cool , but comfortable in san francisco . m : cool in san francisco ? not surprising ? f : yeah , it surprised me a bit too . we did n't take any sweaters or anything . and they say it 's always like that in august . anyway , i loved it . it 's probably the most beautiful city in the us . all those hills , the bay and those charming old victorian houses . m : so you like it better than los angeles ? f : oh yes , there is much more to see and do , and because it 's smaller than los angelus , it 's a bit easier to get around . there are lots of buses and streetcars and of course , the cable cars , too .", "id": "train_3940"}