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: I hope you can come to the party on Saturday. ,M: I didn't know I was invited. ,F: Sure you are, everyone in our office is invited.
(A) M: Thank you, teacher. I am sure our classmates will attend the lecture on Saturday. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Why you didn't invite our parents to the concert on Saturday? (D) M: Oh, great. So I will meet our workmates there.
Example Output: D

Example Input: F: What are your specials today? ,M: We have our usual soup and fruit salad, the soup choices are tomato soup and mushroom soup.
(A) F: Oh, as a fruit store, how can you not have any specials. (B) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) F: Yeah, but your supermarket doesn't have fruit salad, right? (D) F: Why doesn't your restaurant have fruit salad?
Example Output: B

Example Input: M: Hello, Catherine. What about your test? ,F: Not too bad. But the travel was that I kept thinking of so many things at once, so I didn't have time to finish the test. ,M: How many questions did you answer? ,F: Oh, I did all nine of them. But I didn't really have time to finish the last one properly. ,M: Oh well, don't worry. I'm sure you'll be all right.
(A) F: You are right, the last question is very difficult, so I am satisfied with this test. (B) F: Ok, thank you, and I am not worried about the test at all. (C) F: Though I am not worried about the test, I'm very confused about it. (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
Example Output:
D