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 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. This is the China Telephone Company. What can I do for you? ,F: Is this the Complaints Department? ,M: Yes, it is. ,F: I want to complain about the bill I received this month. I don't think I've made that many phone calls. Have their rates gone up? There must be a mistake in your billing.
(A) M: Why do you think the telephone bill was not accurate? How much is ti? (B) M: Yes, your telephone line was always busy. But you still got a low bill, that's strange. (C) M: Do you mean that the telephone call was not clear. As IT department, I'll help you to solve it. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output: A

Example Input: F: May I leave before 11? I have something to buy for the office. ,M: But you have to hand in your work plan first.
(A) F: I want to leave before 11 because I need to go home early. (B) F: I didn’t hear you. Please could you tell me again? (C) F: I want to leave before 11 because I need to buy something for the office. (D) F: I want to leave before 11 because I need to finish my work plan.
Example Output:
C