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: 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?

Ex Output:
B


Ex Input:
M: Hello, I'd like to reserve a table for 6:00 tonight. ,F: Is there any place you would prefer to sit in? We do have a smoking section. ,M: Oh, would it be possible to reserve a table next to the window?
(A) F: Two men are arguing in the smoking section over there. I'd like join them. (B) F: I didn’t hear you. Please could you tell me again? (C) F: You sat too far from the window to see that there was an accident outside. (D) F: Sorry, all the tables near the window are booked up.

Ex Output:
D


Ex Input:
M: Where do you think you are? On a racing track? Didn't you see the sign? ,F: I'm sorry officer, I'm afraid I didn't see the sign. I must be dreaming. ,M: Let me see your drivers license. I will not let you go this time.
(A) F: Yes, I am drunk. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Oh, no. I drove through a red light. (D) F: You are speeding.

Ex Output:

B