Definition: In this task you are given a story and a question regarding that story. You must judge whether the question is answerable based on the info given to you. Label the instances as "Answerable" or "Not Answerable" based on your judgment. the story and the question are separated by a new line character.
Input: My brother does our taxes this year. My wife proofread the returns. He made a small error. It cost us $50 less in refunds. We joked about it.
Why did We joke about it?

Not Answerable