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: Walter loved to make his living robbing banks. Walter thought he was good enough to rob two banks in the same day. After robbing one bank, he ran to the other bank down the street. Walter was unaware that police were following him with guns. As soon as he got to the next bank, Walter was shot and killed.
Why did Walter think he was good enough to rob two banks in the same day?

Not Answerable