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: Good morning Can I help you? ,M: Yes, I need some directions. ,F: Sure. What are you looking for? ,M: Well, first of all I'm looking for the Hard Rock Cafe. How far is it from here? Need I take a taxi? ,F: Oh, it's just about 5 minutes walk from here. Just walk out of the hotel and turn right. It's right across from the National Bank.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M:  OK. Since the Starbucks Coffee is close to the bank, I will go there by bike. (C) M:  Thanks. It seems that the cafe is far from the hotel, I will take a taxi to go there. (D) M:  OK, I see. I will walk out the hotel and turn right to find the Hard Rock Cafe.
Example Output: D

Example Input: M: Lily, I can't catch up with the English teacher very well. ,F: What's the problem? ,M: You are quite good at English. Can you help me with it? ,F: Sure, but you'd better take an additional course in some English schools. ,M: English schools? What's that? ,F: This kind of school is good at helping people to improve their English. ,M: Is that different from our school's English course? ,F: Yes. Before you start your training, they will test you on your English first. ,M: Then? ,F: Then they will recommend you the class that suits you. ,M: Really? How good can my English get there? ,F: You see how well I am doing. I studied there, too. ,M: Alright. I'll tell my father about it.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: Yes. I think you should go to the English schools. It's really helpful. (C) F: Why are you going to the English school? Although it's helpful to me, it doesn't suit you. (D) F: I don't know you but I find the additional course in English schools is easy but not helpful.
Example Output: B

Example Input: F: Debbie, do you have a favorite place that you would like to go for your birthday dinner? ,M: I don't really know where I want to go. I am having trouble thinking of a particular restaurant. ,F: We could look online at the local Internet sites. ,M: Good, let's take a look.
(A) F: I'd like to go to this popular restaurant for my birthday dinner with you. It quite famous. (B) F: I didn’t hear you. Please could you tell me again? (C) F: This theater have regular Beijing opera performances. I'd like to go to there for the New Year Eve. (D) F: Great! Let's choose a restaurant on the Internet to celebrate your promotion! What do you want to have?
Example Output:
A