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: Professor White, I'd like to have your advice on my article. ,F: It's good except for some spelling mistakes. What's more, the second paragraph is about another topic. It should be crossed out.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: People will have a bad first impression of you since your handwriting is so poor. (C) M: The level of a man's speech has nothing to do with his level of writing articles. (D) M: Thank you. I will take out the second paragraph that is not related to the article.
Example Output: D

Example Input: F: Hello, Amazon's customer service. How can I help you? ,M: Hello, it's the book I got from your website yesterday when I was reading it. I found that one page is missing, page 53. ,F: I see. May I have your order number, sir? ,M: It's B113. Dash 7423935. ,F: OK. Let me check. It's the paper bag night of the Hunter written by RA Salvatore you bought on our web 10 days ago, which is on October thirteenth, right? ,M: Yes. ,F: Well, we might need you to take a photo of the missing part of this book and upload it to the customer service page of our website. And when the problem is confirmed, we will send you a new book in 2 days.
(A) M: Okay, so I need to use the receipt to confirm the problem of the book. (B) M: Okay, so I need to take a photo to confirm the problem of the car. (C) M: Okay, so I need to use the order number to confirm the problem of the book. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output: D

Example Input: M: I haven't seen you for a long time. Where have you been? ,F: I went to New York to visit my sister and stayed there for 2 months. Actually, I really went to meet my new nephew. ,M: That's great. How old is he? ,F: Well, he was 5 months old when I got there and he could possibly be the most beautiful baby I have ever seen. ,M: What did you do in your sister's home? ,F: I held the baby and played with him a lot which was nice, but what I enjoyed most was feeding him.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: So, in your friend's home, you held the baby and played with him but you like playing with him most, right? (C) M: So, you didn't feed the baby and you just held the baby. But you like holding him most, right? (D) F: So, you held the baby and played with him a lot which was not nice, and you like feeding him most, right?
Example Output:
A