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: Consider Input: F: Here we go. Now, Terry, you were saying that you went from Vancouver to San Diego. How many days did that take? ,M: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: It just took you 42 days from New York to San Diego? That's amazing. (C) F: It is worthy for you to travel in China for 40 days, it a wonderful country. (D) F: The 36 days stay in Japan must be interesting, right? Tell me more about that.

Output: A


Input: Consider Input: M: Excuse me, Miss, is there a plane to New York? ,F: Uh, let me see. One just left half an hour ago and the next one will be in 2 hours.
(A) M: Thank you, since I want to go to Washington, I asked planes to Washington. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Since I asked about how to book a ticket to London, I'll take one. (D) M: Thank you. Is there anyone besides me asking about the plane to New York?

Output: D


Input: Consider Input: F: Oh my gosh, I'm so sorry. I didn't mean to hit your car. My baby was crying in the backseat. I got a little concerned and took my foot off the brake a bit. ,M: That's OK. It doesn't look like there is much damage. ,F: I guess I should get you my license and insurance information. Hold on a second. ,M: Let's pull over to the side of the road. So we can let these people behind us get by. ,F: Good idea. OK, here is my information. Should we call the police? Oh, I've never been in an accident before. This is going to make my monthly insurance costs go up.
(A) M: You should talk to the people behind us. (B) M: We should pull over to the side of the road. So we can let these people in front us get by. (C) M: Pull over to the side of the road first and then give me your license and insurance information. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?


Output: C