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: Hi, Victoria. It's Eric from the clinic. I know you're not scheduled to work today. But do you think you can come in? We're getting very busy over here. ,F: I'm afraid I can't, Eric. I'm presenting at the patient care workshop this morning. ,M: Oh, I didn't realize you were a presenter. Well, good luck with that. I'm sure you'll do great.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: Thank you. I have been busy at the patient care workshop the whole morning and it's exhausting. (C) F: Thank you. I have been waiting the doctor's appointment all morning, so I really don't have any time. (D) F: Thank you. I have been in a meeting with Greg all morning, so I really don't have time to help you.

B