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.

Input: Consider 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.
(A) F: I'm going alone, so I just need to pay the $700, right? (B) F: 1,400 dollars per person? So it's $2,800 for mom and me. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: Wow, I will have to pay $3,300 in total for this Oxford trip.

Output: C


Input: Consider Input: M: I need to go to the bank. ,F: But they're all close today? ,M: Closed? Are you kidding? What is it? Some kind of holiday today?
(A) F: Hey, calm down. Just joking, The post office is right behind you. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Hey, calm down. Just joking, there's no bank in the town. (D) F: Hey, calm down. Just joking, which bank do you want to go?

Output: D


Input: Consider Input: F: What kind of wine did you have sir? ,M: We had red wine one bottle of the house wine. ,F: Just a moment, I'll check with the waitress. All right, sir. I corrected the mistake. ,M: I like to pay by check, do accept out of town checks? ,F: Yes, do you have some identification? ,M: I have my drivers license and two credit cards, is that alright? ,F: Yes, that's fine. Ah, I see you're from Halifax. How do you like Montreal? ,M: I think it's a marvelous city. ,F: How long are you going to be here? ,M: For 3 more days until Tuesday. We arrived 2 days ago.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: So you will stay in Montreal for 3 days in total. (C) F: So you will stay in Victoria for 3 days in total. (D) F: So you will stay in Montreal for 5 days in total.


Output: D