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: What seems to be the problem, Mrs. Garcia? ,F: When I look at the newspapers, I can hardly read it. ,M: Well, you might need a new medicine. Let me examine your eyes.
(A) F: You can borrow Lu Xun's book here. (B) F: Excuse me, could you repeat the question? (C) F: Will you come to the hospital tomorrow? (D) F: How do I take these drugs?
Example Output: D

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: Hey Tom, our apartment is so dirty. Let's give it a good cleaning. ,M: Good idea. But first of all we should check everything and see if there's anything we don't need anymore and can throw away. ,F: Yes, we have to get some bags and put different kinds of garbage in different bags and put them in different trash cans. ,M: Right, let's begin.
(A) F: Really? You mean you don't agree with me, dad? Oh, I am your daughter, and you should take my advice. (B) F: Okay. As I am the hostess, you should take my advice, cleaner. We have to get some bags and put garbage in the same bags. (C) F: Okay. Oh, my housemate, we have to get some bottles and put different kinds of garbage in different bottles. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output:
D