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: Very nice skirts. How much are they? ,M: $10 each, and one dollar off if you buy 2. They're on sale.
(A) F: So you mean $18 for each one? (B) F: So there won't be any discount even if I want to buy two? (C) F: I didn’t hear you. Please could you tell me again? (D) F: Here is $19 for these 2 shirts.

D