Task: Dialogue Generation
Input (English): F: Hello, this is Mary speaking. Who's that? ,M: It's me, Peter. ,F: Oh, hello, Peter, whom do you want to speak to? ,M: Can I speak to John? ,F: No, you can't speak to him now. ,M: Isn't he in right now? ,F: Yes, he is in, but he is very busy. ,M: What is he doing, may I know? ,F: He is getting ready for school. Grandmother is combing his hair. Sister is looking for his coat. Mother is putting textbooks into his schoolbag. Goodbye, I've got to go now. I am holding the door open. The school bus is coming. ,M: In that case, I'll ring him again this afternoon. Bye.
(A) F: The taxi we called hasn't come yet. You can talk with him for a while. (B) F: Sorry that John is already on the school bus. I'll tell my son to call you later. (C) F: John take the school bus to and back from school. You know the schedule. (D) F: Excuse me, could you repeat the question?
Output (English): C