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.

Example Input: M: Hi Jenny, I'm calling to ask you if you want to go to the park with us tomorrow. ,F: I'd like to but I cannot. I'm leaving for New York tomorrow. ,M: Are you going there to see a friend? ,F: No, I'm going there for work. ,M: Will you go by train or plane? ,F: Neither. David is driving to New York tomorrow. He'll give me a lift. ,M: That will be a long trip. ,F: Yes, but Lisa will go with us too. We can talk and listen to music on the way. ,M: How long are you staying for? ,F: Just 5 days. Oh, I have to pack now. I'll call you when I come back. ,M: OK. Bye.
(A) F: I have to hang out because I have to prepare my luggage. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: I've never expected to meet you in a park. (D) F: Wait for my call!
Example Output: A

Example Input: F: I hope you can come to the party on Saturday. ,M: I didn't know I was invited. ,F: Sure you are, everyone in our office is invited.
(A) M: Thank you, teacher. I am sure our classmates will attend the lecture on Saturday. (B) M: I'm sorry, I didn't understand. Could you repeat a little louder, please? (C) M: Why you didn't invite our parents to the concert on Saturday? (D) M: Oh, great. So I will meet our workmates there.
Example Output: D

Example Input: F: Hello, Globe Hotel. Can I help you? ,M: Yes, I have a reservation from the eighteenth to the twenty-first July for a double room with bath and balcony. I would like to change it from the eighteenth to the twenty-third July.
(A) F: Sure. You want a room from the eighteenth to the twenty-first July, right? (B) F: Sorry. Your booking for the dinner in our restaurant can't be changed. (C) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (D) F: Sure. You want to change your booking, right?
Example Output:
D