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: Hey, Jenny, what's the matter? ,F: I was just online in a chat room with three Germans. They used a lot of idioms on purpose and I didn't understand, so I asked them what they meant. Then they started to ignore me and after a while I started to feel stupid. ,M: Oh, you shouldn't. Your German is really good. ,F: But it seems they were using their German ability to have fun with each other. They didn't really want to include me. ,M: Well, some people are like that. That's all. You can't let them bother you. One nice thing about chat room is that you can leave and go to another one.
(A) F: I agree with you. The advantage of the chat room is that you can make more friends. But you can't enter or leave freely. (B) F: I agree with you. The advantage of the chat room is that you can express yourself freely. But you can't enter or leave freely. (C) F: I agree with you. The disadvantage of the chat room is that you can enter and leave freely. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output: D

Example Input: M: Why aren't you at your dancing class this evening, Mum? ,F: Our teacher can't do the class this week. ,M: Is she ill again? ,F: No, she's fine now. She's flying to Paris tonight, because she's got a meeting there tomorrow.
(A) M: Excuse me, could you repeat the question? (B) M: I've never thought your dance teacher won't come to the class for flying to Paris tomorrow. (C) M: I wonder how urgent the wedding is so that she need to take the flight tonight. (D) M: Your teacher is occupied tonight for a meeting? She's really busy.
Example Output: B

Example Input: M: Oh, man. Nobody can stand this kind of burning heat. ,F: Tell me about it. You can't even stay in the sun for 5 minutes. ,M: You'll be dried up like a dried plant.
(A) F: Why do you mention the dried plant to show the hot weather? It is not hot at all. (B) F: Oh, you mention the dried plant to show the hot weather, don't you? (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Although you mention the dried plant to show your feelings to old men, it is not hot at all!
Example Output:
B