You will be given a definition of a task first, then some input of the task.
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.

Joe ripped his backpack. He needed a new one. He went to Office Depot. They had only one in stock. Joe was able to nab it just in time.
Why did He need a new one?
Output:
Answerable