Definition: 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.
Input: F: How long you have this pain in your back? ,M: For a few weeks. I have been playing sports for years. But it really hurt when I was moving last month. ,F: I'm going to send you to a special doctor. He can do some more tests.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Sure. I hurt myself a few weeks ago. It has been a long time. (C) M: You are so nice. I remember I got hurt a few months ago. Fortunately, I don't feel hurt whenever I am moving. (D) M: Okay. If my memory served me right, I hurt myself a few years ago. The doctor won't do any tests, right?

B