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: Does this bus go to the train station? ,M: No, you'll have to get off at the bank and take another bus. ,F: How long is the ride? ,M: About 10 minutes.
(A) F: Okay, so could you please help me to check my deposits now, since you are the bank clerk? (B) F: Thanks, I need to get on my train right now. See you soon. (C) F: Okay, I'll get off at the train station since this bus will take me there. (D) F: I’m sorry, I don’t understand. Could you say it again?
Example Output: D

Example Input: F: Another cup of coffee? That's your fourth since lunch. You must be really thirsty. ,M: Well, I stayed up very late last night preparing for my paper. I just wanted to keep myself awake.
(A) F: So you are sleepy because you played games last night. (B) F: So you drink so much coffee because you are sleepy. (C) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) F: You are  addicted to tea.
Example Output: B

Example Input: M: What time does the match start on Sunday? ,F: Well, most people turn up at about 1:45 PM but things won't start until 2:00 PM. ,M: Cool. How many other people are going to turn up? ,F: I think 12 people should come along on Sunday and that's out of a total membership of 49.
(A) M: So, the club has 25 members and the match will start at 2:30 p.m. on Sunday, right? (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Since the club has 25 members, why doesn't anyone turn up? (D) M: Although the club has 49 members, but nobdy is going to turn up.
Example Output:
B