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:
F: One ticket to Chicago, please. ,M: Yeah, Ok, that's $24.00. ,F: Does this one have a dining car? ,M: Yeah, there is a dining car and a snack bar. Here's your change. ,F: Thanks.
(A) M: Why isn't there a dining car? We are on the train, aren't we? (B) M: So although we are in the dinning hall, there is no snack bar, right? (C) M: Why isn't there a dinning hall in the ticket office? (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

Ex Output:
D


Ex Input:
F: Hello, what can I do for you? ,M: Good afternoon. I'd like to send this package please. Can you help me? ,F: Of course. I'll just need some information for the delivery please. Who would you like the package delivered to? And the address? ,M: Jennings motor, 11 station road. ,F: Can you give me a contact name at the company please? ,M: That would be Eric George. No, wait a minute. Eric's on holiday this month. Now I remember. Tom's dealing with deliveries at the moment. Tom Smith. ,F: Got it. And what day would you like the package delivered? ,M: Well, today is Friday, and Monday is a bank holiday. so Tuesday would be fine.
(A) F: You package will be delivered on time although next Monday is a bank holiday. (B) F: Can you check the information so that you can get your package from Eric George next Tuesday. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: If you need express service you can received the package today.

Ex Output:
C


Ex Input:
M: Hey, I just finished reading a great book. It's about Steve Jobs. ,F: Really? But there are so many books about him now. What makes the one you read so special? ,M: Well, the one I read is by Walter Isaacson. It's different from the others, because Steve Jobs himself asked Isaacson to write it. ,F: Uhm, were they friends or something? ,M: Well, they knew each other well because Isaacson used to work for Time magazine in the 1980s. And he wrote about Apple products. But it was mostly a business relationship I think.
(A) F: Why did he offer to write about Steve Jobs himself? (B) F: Oh, the writer was a close friend of Steve Jobs'. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Oh, the writer used to write about Apple products.

Ex Output:

D