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: I remember you taught in a school in Shanghai. ,M: Yes, that's right. In No.3 Middle School. ,F: What do you do now? ,M: The same.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Why do you choose to be a driver now? (C) F: Oh, you have become a worker now. (D) F: Why did you stop being a teacher?

A