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: Facebook just reported that everyone in the world is only separated by an average number of 3.5 people. ,M: Wow, that doesn't seem possible! I thought the number was supposed to be 6. ,F: That's what scientists originally thought. I think we're all connected even more than Facebook reported actually. The report only included connections between those with a Facebook account.
(A) M: Facebook just reported that everyone in the world is only separated by an average number of 7 people but they don't like to share their lives. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: You think people in the world are closely connected. (D) M: Facebook just reported that everyone in the world is only separated by an average number of 7 people because scientists don't understand social connection.
Example Output: C

Example Input: F: Dad, look at this friendship quiz. ,M: Why don't you try it? The first question, how often do you get in touch with your friends? ,F: Hmm... My friends aren't in the same secondary school as me, and I dislike ringing people up. I don't call my friends, even once a week. ,M: That means seldom. Secondly, how many friends can you talk with when you are upset? ,F: Oh, I can't think of any. I usually talk with you or mom when I feel sad.
(A) M: Poor Susan. So you usually talk with your friends when you're upset. (B) M: Poor Susan. So you usually talk with me and your mother when you're upset. (C) M: Poor Susan. So you usually talk with me and your mother when you're happy. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output: B

Example Input: F: Jack, I was just looking at the schedule. These talks seemed too close together. Push each talk back at least 10 minutes. ,M: I forgot there're supposed to be enough time for questions after each talk.
(A) F: Yes, the problem is that there are too many talks. And then, we should push each talk back at least 15 minutes. (B) F: You should spare more time between talks. (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: You should spare at least 15 minutes between talks.
Example Output:
B