Definition: In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.
Input: F: International Travel Agency, may I help you? ,M: Yes, my wife and I want to take a holiday this winter, to someplace warmer. ,F: I understand. How long do you want to take? ,M: Only a week between Christmas and New Year. That's the problem, you see. ,F: There is no problem. We can find you a flight to Australia leaving at Christmas and coming back on New Year's Eve. And it will only cost $500 per person.
(A) M: A flight to Australia costs $300 per person. That's too cheap. (B) M: A flight to Australia costs $500 per person. Actually, we do not have so much money. (C) M: A flight to France costs $500 per person. Actually, we do not want to go to France for our holiday. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

B