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:
F: Hello, Universal Export Shanghai. May I help you? ,M: Good morning. This is Ryan Jacob from New York office. May I speak to David Parker please? ,F: Certainly, Mr.Jacob. Can you please hold for a moment? ,M: Thank you. ,F: I am sorry to keep you waiting, Mr.Jacob. Mr.Parker apologizes for not being able to speak with you at this moment. He is on another line. When can he call you back? ,M: Uh, let me see. It's 9:00 o'clock in the evening here. We are 12 hours behind. Tell him to call me in the next 2 hours. Otherwise, tonight after 8:00 o'clock. ,F: Do you mean tonight Shanghai time? ,M: Yes, that would be your time.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: OK, I'll remind him to call you at 2:00 in the afternoon Shanghai local time. (C) F: OK, I'll remind him to call you at 9:00 in the evening Shanghai local time. (D) F: OK, it's 9:00 in the morning here in Shanghai, I'll remind him to call you in 3 hours.

Ex Output:
A


Ex Input:
F: Hello, I am Miss Gear. I... ,M: Oh, good morning, Miss Gear. Come in, please. We have talked on the phone. You'd like to rent the place? ,F: Yes, I'd like to have a look at this house. ,M: That's quite good. Let me show you around the place. How do you like the location? ,F: The place is very convenient. As it's only a 5 minutes' walk from the nearest bus stop. This must be the bedroom. Oh my God. I love the French window.
(A) M: Yes, the place is near the bus stop, and the living room window of French style is awesome. (B) M: The French window in bedroom is really attractive, but the place is far from the bus stop. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: The safety of building is really important, though you don't like the location.

Ex Output:
C


Ex Input:
F: How much is this piano, please? ,M: $1000. ,F: My god! That's a fortune! ,M: But you must realize that this is the most famous brand. ,F: But it's too dear for me. ,M: That's the best piano hit our store. ,F: I just want to get one for my daughter to learn how to play the piano.
(A) M: If you want to buy yourself a piano, this one is perfect. It is a niche brand and is the best piano in our store. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: This is the best piano we have and it costs only $1500. It should be the best choice for your son. (D) M: This piano will suit your daughter very well since it is the most famous brand. She must like it.

Ex Output:

D