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: Was yesterday's meeting held in room 305? ,M: 305 was occupied and the computer in 306 was out of order, so we moved to 307.
(A) F: Since the computer in room 305 was out of order, why was the meeting held in room 305? (B) F: Since room 306 was occupied, why was the meeting still held in room 306? (C) F: Because room 306 is occupied, the meeting was held in room 307, right? (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
D


Ex Input:
M: There is a new bakery on the next street. Should we get some pork pies or beef pies this morning? ,F: I want something sweet. The egg cake lady just opened her doors. Let's go stand in line.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: I agree. I want beef pies too. (C) M: Great, egg cakes are my favorite. (D) M: I had egg cakes for breakfast.

Ex Output:
C


Ex Input:
M: Good morning. Can I help you, ma'am? ,F: Good morning, I'm looking for a coat for my younger sister. Her birthday is coming. I want to give her a good coat. Could you show me some?
(A) M: Sure, I think this is the right one for your mother. (B) M: How about this brown coat? The color suits your elder sister well. (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: Of course, how about this yellow one for your younger sister?

Ex Output:

D