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: It was so terrible yesterday. ,M: What happened? ,F: Well, everything went wrong. In the morning, I went to the hotel to pick up an important customer, but was caught in a jam on the way. When I arrived at last, the customer had already left.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: That's terrible, I'm sorry to hear that you were not be able to pick the guest in the morning in time. (C) M: Well, at least you repaired the fax machine in that morning last week, that's more important. (D) M: I'm sorry that you had a terrible day last Sunday, at least you remembered to attend the parents' meeting in the morning.
Example Output: B

Example Input: M: Look at this armchair, what do you think? ,F: Oh, I'm not sure I like the design. It's too heavy looking. Is it comfortable? ,M: Try it. ,F: Uhm, It's really comfortable. And I'd like to have something this size. Our old armchair is way too small. This size is perfect.
(A) M: As I said, you really liked the design of the armchair. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: So you like the color of this armchair but you think it is too light? (D) M: Yes, as you like, the size of the armchair is perfect.
Example Output: D

Example Input: F: Are you glad that you came to Washington? ,M: Yes, indeed. I had considered going to Los Angeles or Boston. But I've never regretted my decision.
(A) F: I can see that you are not interested in the city of Washington, that's why you didn't choose to go there, right? (B) F: I can see that you prefer Los Angeles to Washington. Is it why you are here in the L.A.? (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: I remember you used to hesitate where to go. I'm glad you made the right decision.
Example Output:
D