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: Good morning Can I help you? ,M: Yes, I need some directions. ,F: Sure. What are you looking for? ,M: Well, first of all I'm looking for the Hard Rock Cafe. How far is it from here? Need I take a taxi? ,F: Oh, it's just about 5 minutes walk from here. Just walk out of the hotel and turn right. It's right across from the National Bank.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M:  OK. Since the Starbucks Coffee is close to the bank, I will go there by bike. (C) M:  Thanks. It seems that the cafe is far from the hotel, I will take a taxi to go there. (D) M:  OK, I see. I will walk out the hotel and turn right to find the Hard Rock Cafe.
Example Output: D

Example Input: F: Now if there are no more questions, let's move on to the next part. ,M: Excuse me, professor, could we go over that last point once more?
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Ok, since you want to review the last point, I will tell it again. (C) F: Although you want to move on to the next part, we still have some questions. (D) F: If you want to ask more questions, go ahead. We won't move on to the next part yet.
Example Output: B

Example Input: F: Hello, Cheetah Express Delivery Service. How may I help you? ,M: Hello, I'm waiting for a package sent from your office in Chicago. The package number is XYZ9876. ,F: I see. My computer says we sent it on December thirteenth and it was in Des Moines on the fourteenth. You should have received it in Saint Paul the day after that. ,M: That was yesterday. Any idea what happened?
(A) F: Sorry, we are going to find out what happened. It should be here yesterday, on December 15th. (B) F: Sorry, we are going to find out what happened. It should be here yesterday, on December 14th. (C) F: Sorry, we are going to find out what happened. It should be here yesterday, on December 13th. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output:
A