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: Excuse me, how can I find the book called the Class of nineteen ninety eight? ,M: Oh, I'm afraid it was sold out. ,F: It's alright. Thank you.
(A) M: You can find other books in our library instead. (B) M: In our bookstore, there is just one book named the Class of Nineteen Ninety Eight left. (C) M: The Class of Nineteen Ninety Eight has been sold out here in our bookstore. (D) M: I am really sorry, I did not catch that. Would you slow down, please?
Output:
C