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: Have you decided where to take Mr. Brown to dinner tonight? ,M: Well, I tried to get us into a private room at Ana's garden. Because the main dining room is too noisy. But the rooms were all reserved. I made a reservation at movie, though, for 7:30. I haven't tried it, but I heard it was good. ,F: I've been there, the food is excellent. It's right next to that Japanese place, Tami, where we had John's birthday party last month.
(A) M: I've tried the Japanese restaurant near Movie. (B) M: I know Movie is near a Japanese restaurant. But Movie doesn's support reservation. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: Movie closes quite early. Before 7 o'clock as I remember.
Example Output: A

Example Input: M: Mom? ,F: What are you doing here down at the beach? I thought you said you were going to buy some things for school? ,M: Uh, I did buy some things. ,F: Well, what did you buy? What do you have in your backpack? ,M: Let's see, I have 3 notebooks, 5 pencils, 2 erasers and...
(A) F: Why did you buy 2 notebooks and 5 pencils? (B) F: Why did you buy 3 notebooks ? (C) F: Why did you buy 3 notebooks and 5 pencils? (D) F: I am really sorry, I did not catch that. Would you slow down, please?
Example Output: B

Example Input: F: I hear there is a good Japanese restaurant, should we go there for lunch? ,M: Yes, but it's my treat this time.
(A) F: So, you mean you hear there is a good Chinese restaurant and you want to order the food? (B) F: Okay. You mean you hope to pay for the meal. I think we can go there for lunch. Let's go! (C) F: So, you mean it is not your treat this time because you don't like Japanese food? (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output:
B