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: Did you get the injury playing football, Jim? ,M: Yes, one of the boys kicked my foot instead of the ball. ,F: The best thing for you to do is to rest your leg for 48 hours. ,M: When can I go back to school? ,F: You can go back in 4 days. But you'll need to avoid sports for a month.
(A) M: OK, I didn't expect I can go back to school in four days. (B) M: I am really sorry, I did not catch that. Would you slow down, please? (C) M: Since you think the best thing for me is to rest my leg for 24 hours, why can I go back to school in four days? (D) M: I just fell down and got injured myself. Why does it take a month to go back to school?

Ex Output:
A

Ex Input:
M: At first, I thought this shirt was yellow, but now it looks green to me. ,F: You were right the first time. It's the blue light in the store that makes everything look different.
(A) M: Right, I like the light blue color of this shirt. (B) M: I guess so. This should be a beautiful authentic yellow shirt. (C) M: I'm sorry, I don't understand. Could you say it again? (D) M: I know it's because of the red lighting. It's doesn't look yellow at all now.

Ex Output:
B

Ex Input:
M: By the way, Jane, did you talk to the professor about our new health program? ,F: I contacted his office at 12:00 o'clock, but his secretary said he would be out for lunch until 2:00 pm.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: The professor will be back at 13:00, right? (C) M: You already contacted him at 14:00? That's great. (D) M: OK. Remember to contact him at 14:00 after his lunch.

Ex Output:
D