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: Good morning, Swift Com. ,M: Hello. This is Martin Smiths. I'm ringing about an appointment with Peter Field. ,F: Oh, yes, Mr. Field. Sorry, he couldn't confirm the arrangement yesterday. He had to check his diary about the fourth. ,M: Is it OK? ,F: Well, that or the nineth. ,M: The nineth suits me better. ,F: Fine, I'll tell him.
(A) M: Thanks. You are a great customer. (B) M: Thanks. You are a good boss. (C) M: Thanks, and I am a great secretary. (D) M: I didn’t hear you. Please could you tell me again?

D