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: Hamilton High School, can I help you? ,F: Yes, I have some questions to ask. My son hopes to study in your school. ,M: Welcome. I am glad to help you. ,F: Thanks. We just knew about the school yesterday. What if I miss the application deadline? ,M: You can still apply as a "late". Your application will be given a number. We will take students in number order. ,F: Does my child get transportation? ,M: If you live more than 3 miles, 3 miles included, away from our school, your son can qualify for transportation. ,F: How can I reach my son's teacher? ,M: You can leave a message in the office at 310-280-1501. You can also send them an email. All emails are listed on our website. ,F: What if the teacher doesn't get back to me? ,M: If there is no response, please call the director at 310-280-1452. ,F: My child is into music. Can he continue to develop his interest?
(A) M: Yes, and the director's telephone number is 310-280-1452. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Yes, and the tutor's telephone number is 310-280-1452. (D) M: Yes, and the director's telephone number is 310-280-1501.
Example Output: C

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: F: Why do you use this book to learn French? ,M: Why? Is there a problem? ,F: Well, the texts in it are too old. They are no longer suitable for today's students. ,M: Well, actually I quite agree.
(A) F: How was that student going on then? (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Yes, it is a really old French book. (D) F: How do you think of French language?
Example Output:
C