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, what can I do for you? ,F: I'd like to send this package to France. Can it be delivered in the next 5 days? ,M: Yes, we offer an overnight service. It'll cost $70. ,F: Ah, that's a bit expensive. Do you have a 3 days service? ,M: No, but we can get your package to France in one week for $40. ,F: Well, that sounds good. I'll take that. Is the service guaranteed? ,M: Yes, we also offer a service where we can track your package, but that will cost $10 extra. ,F: Oh, I won't need the tracking service.
(A) M: Alright, you ordered the one week service and tracking service, so it's totally $10. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Alright, without tracking service, you package sent to Japan costs $40. (D) M: Okay, without tracking service, that's $40.

D