Instructions: In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".
Input: M: You were seen hanging about the store on the night when it was robbed, weren't you? W: Me? You must have made a mistake. I was at home that night., Question: What are they talking about? (A) A mystery story. (B) The hiring of a shop assistant. (C) The search for a reliable witness.
Output:
(C) The search for a reliable witness.