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: Julia and I are driving downtown this afternoon. Want to come, Tom? ,M: Thanks, Kathy, but I've got to study. I'm way behind in maths.
(A) F: In that case, Judy and I are going to the bus station to catch bus. (B) F: Oh, ok, since you are going to the math class, we can drive you there. (C) F: Excuse me, could you repeat the question? (D) F: Oh, ok, John, then we'll leave you to study English.
Example Output: C

Example Input: F: May I have a look at that tie, please? What's the price? ,M: It's $30. But today we offer a 20% discount if you buy more than 2.
(A) F: Three belts cost $60, so one belt is $20. Great! (B) F: Excuse me, could you repeat the question? (C) F: It's a good deal to buy three ties for 72 dollars. (D) F: Oh, 90 dollars is too much for two ties.
Example Output:
C