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: 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.
(A) M: So John is putting his shoes on so he can send daughter Mary to school. (B) M: Since John is talking to Mary now, please tell your boss that I'll call him later. (C) M: Excuse me, could you repeat the question? (D) M: I didn't know he is so busy preparing for going to school. I'll talk to him later.

D