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: What did you just put in the basket? ,M: Some peanut butter. ,F: That is not a jar of peanut butter. ,M: Ok, fine, they're peanut butter cookies. ,F: You know, we don't keep cookies in the house. ,M: Mom, please.
(A) F: You want to eat peanut butter, don't you, but we have had cookies in the house. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: So, You want to eat cookies but you put peanut butter in the basket, right? (D) F: Why do you want to eat cookies?
Example Output: D

Example Input: F: Good afternoon, sir. Can I help you? ,M: Yes, we need a room for the night. Have you got any rooms available? ,F: Yes. What do you like a single room or a double room? ,M: A double room. ,F: How many nights would you like to stay? ,M: We're only staying overnight. We'll check out tomorrow morning.How much is it? ,F: It's $68 per night.
(A) M: As I'll stay for two nights, it's $136 in total. (B) M: Then I need to pay $68 for the single room. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: So, $204 a night for my single room. Alright.
Example Output: C

Example Input: M: Hello. ,F: Hello, Sam. It's me, Jane. My uncle hasn't been well these days. I'm going to see him the day after tomorrow. ,M: Oh, really? Where does he live? ,F: He lives in Dalian. And I'm going there by train because I don't like the bus. ,M: How long will the train journey take? ,F: Well, the train leaves at 6:00 in the morning and arrives there at about 10:00. ,M: Who will meet you at the station? ,F: My aunt is going to meet me. She can drive.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: So, the train arrives there at about 15:00 and your uncle will meet you at the station. (C) M: OK, I see. Your aunt will meet you at the station but she can't drive. (D) M: So, you will go to there by plane and your sister will meet you at the station.
Example Output:
A