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: M: You know, my car hasn't been the same since I bumped into that telephone box. ,F: You'd better have that looked into before you drive to Florida.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You are right, I should probably buy a new car. (C) M: I agree with you. I really need to make some time to get my car checked. (D) M: I agree. You really should get your car checked.
Example Output: C

Example Input: M: I just want tickets to go see a live video taping of doctor Phil and Los Angelus. Do you want to go with me? ,F: Who is doctor Phil? ,M: You don't know who doctor Phil is? I watch him on TV every day. He's the host of a popular television show. He helps people get through life's most difficult situations. It's a great show, you should watch it.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: So, you mean it's not a great show? Dr. Phil is my doctor and he is great. (C) F: OK, I see. You never watch him on TV but you know Dr. Phil is a TV host. (D) F: OK, I see. Dr. Phil is a TV host of a popular television show.
Example Output:
D