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: M: I need to go to the bank. ,F: But they're all close today? ,M: Closed? Are you kidding? What is it? Some kind of holiday today? ,F: Have you already forgotten what's the date today? ,M: Oh, it's the first of April. April Fools' Day. ,F: You forgot all about it, didn't you? ,M: Sort of. But it has reminded me of at least one thing I need to remember. ,F: What's that? ,M: Tomorrow is my wife's birthday. ,F: Better not forget that. It's pretty strange that your wife's birthday changes every year. Why is that? ,M: My wife is Chinese. She celebrates her birthday according to the lunar calendar.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Oh, yes. Chinese people celebrate their birthday according to the lunar calendar. (C) F: It is strange that your American wife celebrate her lunar birthday. (D) F: So, when do you have a Canadian wife and she celebrate her lunar birthday?

B