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: M: Is Mr. Steven in, please? He's expecting me. ,F: If he is in, his key will be here. Yes, sir. Room 202. He's in his room. Would you like to ring up, sir?
(A) M: Mr. Stephen is out? OK. I'll contact him later. (B) M: He is on the phone. Then I can find him at room 201. (C) M: He is in his room. Room 204, right? OK. (D) M: I’m sorry, I don’t understand. Could you say it again?

D