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: Next week I'm going to New York to sign a business contract. What would you suggest I see while I'm there? ,F: You should definitely see the UN Building and from there, you could walk over to Broadway and see a movie or drama. ,M: How about New York's universities? I'm especially interested in learning about their schools there and the courses they offer. ,F: Columbia University and New York University are two of the best schools in the city. I'm sure they offer excellent courses. ,M: Do you have a map of the city? ,F: Yes, I have one right here in fact. I can give you this one but I'd also suggest that you stop at the visitor's office near the train station. They will have good up-to-date maps and they can give you more tourist information about the city.
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: OK, I will ask visitor's office for help as soon as I get lost. (C) M: OK, I will get a map on visitor's office. (D) M: I will take a map at the UN office directly.

Ex Output:
C


Ex Input:
M: Call your mom and tell her that we will be home later than expected. ,F: Um, we are in the tunnel now and the mobile phones' signals are dead.
(A) M: How do you know that your mom is in the area with poor signal reception? We are not in the tunnel now. (B) M: Can't you make a phone to your mom now, telling her that we will be home earlier? (C) M: Excuse me, could you repeat the question? (D) M: Do you think we should tell mom that someone is dead, even though the mobile phones' signals are good?

Ex Output:
C


Ex Input:
M: Oxford Travel Agency, how may I help you? ,F: Hello, I'd like to ask about the package tour from Newcastle to London. ,M: Sure, what's your question? ,F: Your website says that the trip starts off every Thursday. Can I join the trip on July thirtieth? ,M: Sorry, I'm afraid it's full. How many people are going? ,F: My husband and our two children will go with me. ,M: 4 people then. There is still enough places on August sixth. Will that do? ,F: That's fine. Any discount for children under 12? ,M: Sorry, the price for children is the same, 700 pounds each person. It's already cheaper than other agencies. ,F: Alright, I'd like to book it. My name is Lisa Garcia and my number is 1-976-344-5829. ,M: OK, Miss Garcia, be sure to pay for it either online or at our agency at least 5 days before departure.
(A) F: I got it. I will see to it that I pay in advance as you reminded. (B) F: No problem, darling. I'll pay our kids' tuition fee in advance. (C) F: Sure. Though I can't tour this time, I'll get more infomation online. (D) F: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:

A