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, I'd like to mail these books and clothes to Australia. How much will that cost? ,M: It depends on how much they weigh. Let's see, it's 5 pounds. So that will be $30. ,F: Let me take some stuff out to make it cheaper. There, how much now? ,M: It's 4 pounds now, so that will be $25. ,F: OK, I'll take out a few more items. Alright, how about now? ,M: Now it comes to $15 at 2 and a half pounds. ,F: OK, that works. Can I get a shipping number so that I know when it arrives? ,M: Yes, of course. We also offer insurance for $5. ,F: No, thanks. ,M: Would you like express shipping for an extra $10? ,F: No, regular shipping is fine.
(A) M: OK. Total price is $20. (B) M: You should pay $10. (C) M: You should pay $5 for your insurance. (D) M: Excuse me, could you repeat the question?

D