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.

M: By the way, Jane, did you talk to the professor about our new health program? ,F: I contacted his office at 12:00 o'clock, but his secretary said he would be out for lunch until 2:00 pm.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: The professor will be back at 13:00, right? (C) M: You already contacted him at 14:00? That's great. (D) M: OK. Remember to contact him at 14:00 after his lunch.
Output:
D