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: What are you doing, Jane? ,F: I am planning a party. ,M: A party? What party? Your birthday party? ,F: Of course not. My birthday is in December, don't you remember? It's the company's party. The general manager wants to invite some famous scientists, bankers and professors from universities to the party. These people are very important to the development of the company.
(A) M: I didn't know your birthday is coming soon. Let me help you plan your birthday party. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: I know the company party you are busy with. Only famous businessmen will be invited. (D) M: You're working on a company party? Sounds so cool. How is the preparation going?

D