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:
M: Listen to me, Jane. The exam is already a thing of the past. Just forget about it. ,F: That's easier said than done!
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You did so good at this time, it is easy for you to do better in the next exam. (C) M: You did not got high score in the last exam but you cheered yourself up so soon. I am happy for you. (D) M: How could you forget to attend the English exam?

Ex Output:
A


Ex Input:
F: Welcome to the parent teacher conference. So what is your child's name? ,M: Megan Jones. ,F: Let's see, um, she missed the last couple of days has she been sick? ,M: No, she's been having some problems with the other kids in your class. ,F: Well, you know, junior high school is the difficult time, but she just needs to speak up a little more in class.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: I agree with you. I'll encourage her to take some pictures and talk less in class. (C) M: All right. I'd like to encourage her to speak a little more in class. (D) M: All right. I won't encourage her to speak a little more in class.

Ex Output:
C


Ex Input:
F: Hello Tom, do you mean your going away? ,M: Oh yes, I've booked the ticket and it's time for me to go back home. ,F: Well, how long have you been in China? ,M: I've been here for 2 years.
(A) F: You've only been in China for a week, no wonder you don't want to go home. (B) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) F: Wow, Ted, so you've been in China for two years and plan to stay even longer. (D) F: Time flies. You have been in China for two years and you are going home soon.

Ex Output:

D