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: F: Where is Rose, my dear? I wanted to ask her to go to the market to buy some things we need here at home. ,M: Her teacher telephoned just now. She said she asked Rose to stay at school for a performance.
(A) F: Alright. My poor daughter Rose. (B) F: I didn't hear you. Please could you tell me again? (C) F: I'm really happy to hear our daughter Rose chooses to study at school after class. (D) F: Fine. By the way, my teacher Rose is indeed responsible.
Example Output: A

Example Input: F: The countryside was wonderful. I like the fresh morning air. ,M: Yeah. As for the village we went to yesterday, there was so much fog around. I think it was a good place for an adventure film.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: I hope our trip is perfect. There was not so much fog around the village. (C) F: You are right. What a wonderful trip. I love the fresh morning air. (D) F: Yes. I prefer this photo about the village where there was not so much fog.
Example Output: C

Example Input: F: Why did you decide to publicize climate change in this way? ,M: Well, I was really upset about some countries failure to sign up pollution control agreements. It felt like the science wasn't getting understood by the politicians, so I decided to look into what I personally could do, that led me to dream up a cartoon character called Mr Carbon. We all know somebody like him, he's climate ignorant and makes no effort to save energy. Of course, factories are the obvious bad character in the real world, but I couldn't do much about them. ,F: So, are we going to see him in scenes like we get in disaster movies? ,M: That's pretty unlikely, it's hard to make a box office success. But he certainly gives cause for concern. People are becoming more aware of the climate change.
(A) F: OK. You believe Mr. Carbon has made a box office success and people are becoming less aware of the climate change. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: Okay, I see. You said Mr. Carbon has played a role in a disaster movie but gives no cause for concern. (D) F: Well, in your opinion, Mr. Carbon has aroused people's concern about climate change.
Example Output:
D