You will be given a definition of a task first, then some input of the task.
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.

F: OK, your name please. ,M: John Griffin. That's JOHNGRIFFIN. ,F: OK, I've got that down. Wait a minute. We already have your name. You've been here before, haven't you? Or it must be someone with the same name. ,M: I've stayed with you twice before. ,F: OK. Let's see the card and confirm it. Please tell me if I'm wrong. John Griffin from Sydney, Passport Number 87637489. Right? ,M: That's right. ,F: OK. So what time can we expect you tonight, Mr Griffin? ,M: The plane lands at 9:15 PM and no one can pick me up. So I should be at your place at 10:00. Will the restaurant still open at that time?
(A) F: You'll check in at around 9:15? It's fine. The restaurant will still be open then. (B) F: Let me check. If you arrive at 9:40, you can still have dinner at the restaurant. (C) F: Since our shuttle bus will pick you up, the canteen won't close before you arrive. (D) F: I'm sorry, I don't understand. Could you say it again?
Output:
D