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: The guests are leaving for New York today on the 10 o'clock flight. We need someone to get them to the airport on time. ,F: But my car is under repair now. I think I'll have to call a taxi.
(A) M: The guests are leaving for New York by car. (B) M: The guests are leaving for New York by air. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: The guests are leaving for New York on the 11 o'clock flight.

Ex Output:
B


Ex Input:
F: Albert and I need a lot of things to furnish our house. But I don't know where the best place to shop is. Could you give me some advice, Jack? ,M: Sure, Carol. What kind of things do you need right now? ,F: Well, we have most of the furniture already. But Albert wants to set up a little office in the small bedroom. ,M: Well, as for Albert, he should go to an office supply store. There's a very good one called Office Depot. It has everything he will need and the prices are good, too. It's very convenient. ,F: Can I write that down? ,M: Sure, here is the pen on your table. It spelled office and then D-E-P-O-T. ,F: Thanks. I will call Albert and tell him to pick me up after work.
(A) M: Yes, you mean you are going to Office Depot first. (B) M: Yes, you should call Albert first. He will take you home. (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: I'll going to pick up Albert first.

Ex Output:
C


Ex Input:
M: What's the postage on this letter to Mexico please? ,F: How would you like to send it? ,M: By registered airmail. ,F: $0.90 please. And please write down the postal code in the mailing address, anything else? ,M: Yes, I'd like 6 postcards and 1,050 cent stamps please. ,F: All right, here you are. ,M: And this packages for London. Will you wait for me? ,F: Yes, of course. This package is 10 grams overweight, you'll have to pay $0.50 extra for the overweight.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: Sure. 50 more cents are not expensive at all for the package. (C) M: Sure. 50 more cents are not expensive at all for the letter. (D) M: Well, 90 more cents are a little expensive for the package.

Ex Output:

B