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 return this sweater. I have the receipt right here. ,M: OK, let me take a look. Uh, so you bought this over a month ago. ,F: That's right. It was a birthday present for my niece.
(A) M: Why do you return this sweater you bought for your niece? (B) M: Why do you return this sweater you bought for your friend? (C) M: Excuse me, could you repeat the question? (D) M: Why do you have to return the sweater? It looks great on you.

A