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:
F: It's January and it's been raining the whole month. How long does the rainy season last here? ,M: About 4 months. It begins in early November and lasts until February.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: The rainy season will end in November. (C) F: The dry season will end in February. (D) F: The rainy season will end in February.

Ex Output:
D


Ex 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.

Ex Output:
D


Ex Input:
F: Today is Saturday. I will return the book next Tuesday. ,M: Take your time, you can keep it for 3 more days.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Thanks. I can keep it until next Friday. (C) F: Thanks. I will finish the book this Saturday and return it next Friday. (D) F: Thanks. I will return your book next Tuesday.

Ex Output:

B