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: Which type of washing machine have you decided on? ,M: I'm still not sure. ,F: We have many brands. Little Swan is domestic. Philipson, Panasonic are imported. ,M: Which one is of the highest quality?
(A) F: The only one I recommended has the highest quality. (B) F: It's hard to say which one in those three brands is the best in quality. (C) F: It's hard to say. You can choose between the two brands I told you. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output: B

Example Input: M: Hello, 75610. ,F: Hello, Dennis, are you still coming to lunch on Saturday? ,M: Well, you know, I'm having a party in the evening. I'm going shopping for it in the morning, so there isn't much time. ,F: Never mind. Well, come to tea on Sunday. ,M: And there's a special TV program I want to watch. I think it's on at about 5:30. ,F: That's alright. Come and watch it here. I'll make one of my chocolate cakes. ,M: Who can resist your cakes? Fine, tea on Sunday then. ,F: Good. And good luck on Tuesday. I hope you get your salary raised.
(A) M: Yeah. I also hope that my salary will raise on Monday. (B) M: Thanks. I wish my salary will raise on Thursday. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Thank you. I hope I can get the salary raised on Tuesday.
Example Output: D

Example Input: M: Hi, Rosa, what are you doing? ,F: I'm trying to pick an English literature course for this term. ,M: Take Professor Holds class. I took hers last year. ,F: Really? What's she like? ,M: Fantastic. I think she is really a good teacher. ,F: Why? What makes her so good? ,M: For one thing, she is really funny. She's also smart. So you learn a lot. ,F: What do you think of Professor Vance? ,M: He is boring. Most students fall asleep in his class and he is hard to talk to.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Really? You think he is easy to talk to and you think Professor Holt's class is ordinary? (C) F: So, many teachers fall asleep in his class and you think Professor Holt's class is attractive? (D) F: So, he is hard to talk to and you think Professor Holt's class is attractive? Okay, I see.
Example Output:
D