{"answers": "C", "options": ["f : so , you mean it 's expensive to live in san francisco because there are many companies like alibaba .", "f : you said high living costs are caused by high incomes , but i do n't understand why do people have high incomes when there are n't many rich companies in san francisco .", "f : i see . you are saying that the high incomes in san francisco lead to high consumption level .", "f : wow , so it 's easy to find jobs in big companies in san francisco , such as alibaba , and you think that 's the reason for high living costs there ."], "article": "f : todd , i heard you are from san francisco . how is the weather there ? m : well , the best time of the year is probably in september , it rains a lot from november to march next year . f : so how 's the living there ? m : it 's really expensive . because there are lots of really big rich companies like facebook , google , and apple . they pay their employees a lot of money . once you get the job at these companies . you are sat . but it also means that the cost of living there has really gone up .", "id": "train_3714"}