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.

[Q]: F: Gosh, we've been waiting for ages? What's the matter? ,M: Who knows? It always leaves on time more or less. But in the middle of winter, you have to expect the delay here sometimes. In fact, the trains also sometimes get delayed by snow on the lines or the planes by fog on the runway. Actually, it's probably rain that's holding up things for us right now.
(A) F: Yes, the rain may be the reason that the trains get delayed. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: It's probably flog that's holding up things for us right now. (D) F: The weather forecast says the rain has stopped.
[A]: A

[Q]: M: Can I help you Madam? ,F: Yes, thank you. I seem to have lost my room key. ,M: Take it easy. You can go to the front desk to get the spare one.
(A) F: Thank you. I'll go to the front desk and get the spare key right now. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Okay, I won't leave the office until you give me the spare car keys. (D) F: Thank you so much for helping me check in.
[A]: A

[Q]: F: Hi John, how is your summer vacation? ,M: Well, I went to Sanya and spent a whole week there. It can't be better. What about you? ,F: My family went to climb Mount Hua and everyone was worn out upon reaching the top.
(A) M: I didn't hear you. Please could you tell me again? (B) M: Wow, that's great! You know, I went to Sanya and spent two weeks there and I think my vacation is too tiring. (C) M: Really? No one was worn out upon reaching the top? That's great, and I also have a wonderful vacation. (D) M: OK, I see. It is a good vacation. And I think my vacation is also very wonderful.
[A]:
D