Task: Dialogue Generation
Input (English): F: Tom, please go to the door. I hear the Bell. ,M: It's the mailman mother. Here's a letter from uncle George. ,F: Give it to me. How wonderful! He is coming to visit us. ,M: And when's he coming? ,F: He's coming by car on the twenty-fourth. He staying from the twenty-fourth to the twenty-sixth.
(A) M: Excuse me, could you repeat the question? (B) M: My teacher will stay here for at least four days. (C) M: So my teacher will stay here for  a week. (D) M: It is horrible that my teacher will stay here for three days.
Output (English): A