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.

Ex 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.

Ex Output:
C


Ex Input:
F: That looks nice. I'll have a cheeseburger and fries. ,M: Anything to drink? ,F: A chocolate milkshake. ,M: That'll be $2.75.
(A) F: Here it is, and you need to give me $2.65 change. (B) F: OK, here's $2.75 for the food and drink. (C) F: $2.75 for a milkshake? That's expensive. (D) F: I didn’t hear you. Please could you tell me again?

Ex Output:
B


Ex Input:
M: I'd like to congratulate you on your wonderful performance. ,F: Thank you very much. ,M: I read about you in the newspaper and decided to come and hear you play. I have traveled many miles and I'm very glad I made the effort. You played the piano beautifully. What are your next plans? ,F: At present, I'm giving a lot of concerts. Fortunately, people want to come and hear me play. But I'm getting very tired of traveling.
(A) M: You are working so hard. I knew about your performance from TV. (B) M: You are working so hard. I learnt about you from the Internet. (C) M: You are so stressed. I knew you didn't perform well from the newspaper. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:

D