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: Did you remember to bring the book you promised me? ,M: I'm sorry. It's completely slipped my mind. I'll bring it tomorrow.
(A) F: It doesn't matter to lose that book. You haven't promised to give it to me. (B) F: You're so happy. I suppose you brought the wrong book on purpose. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: That's all right. Just bring me the book tomorrow. Please don't forget.

D