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: Hello, auntie. Is Andy in? I want to invite him over for the weekend. The great young singer Justin Bieber is giving a performance in the concert hall nearby. ,F: Oh, thank you, Dirk. But I don't think Andy will be able to make it. ,M: Why? Doesn't he like Justin Bieber? ,F: He does like him. But there's something wrong with his stomach. He went to the doctors with your uncle for an examination today. He hasn't come back yet.
(A) M: Oh my god! Does he have a stomachache? Why and how? (B) M: I hope Bob' s stomachache is nothing serious. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Toothache? I' m sorry to hear that! Wish everything is OK with Joe!

A