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: 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.
Example Output: C

Example Input: F: Mike, come here, please. ,M: I'm coming, mom. It looks like you're very busy. Is someone coming this afternoon? ,F: Yes, some of my friends are coming over this afternoon. There's still so much to get ready. ,M: Is there anything I can do to help you? ,F: Sure, I still need to get some drinks. I'd like to have coffee, water, fruit juice and some cola. ,M: I'll go and buy some fruit juice and cola and then I'll make some coffee. ,F: Do you know how to make coffee? ,M: Yes, aunt Joan taught Mary and me when we visited her last week. So I can make very nice coffee now. ,F: That's great, Mike. Don't forget to buy some sugar ,M: OK. By the way, when will your friends come? It's already 5:00 o'clock now. ,F: They'll arrive in an hour.
(A) M: Great, so they will arrive at 5:00 and we still have plenty of time to prepare. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: I hope we can get everything ready at 6:00 to welcome your friends then. (D) M: Relax, we still have 2 more hours to prepare as your friends will come at 7:00.
Example Output: C

Example Input: F: Hello, American Medical Association. Can I help you? ,M: I want to find a doctor. ,F: What kind of doctor are you looking for? A general doctor or a specialist? ,M: What is the difference between a general doctor and a specialist? ,F: A general doctor treats a variety of illnesses and will treat your whole family. A specialist concentrates in one area, like the heart or the skin. ,M: Then I would like to find a general doctor.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Then you can call Doctor Green who can  treat various illnesses. (C) F: Ok, I'll make appointment with a specialist in heart area for you. (D) F: So you want find a general doctor who treat yourself only?
Example Output:
B