Given the task definition, example input & output, solve the new input case.
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.
Example: Bob was a computer scientist. He enjoyed natural language processing. He decided to revolutionize the industry! He formulated a machine learning algorithm to process words. He won the nobel prize for his work!
Why did He formulate a machine?
Output: Answerable
He formulated a machine learning algorithm to process words.

New input case for you: Jimmy decided to go check the time. He realized his clock is broken. He decided to get a new clock. He went to the store and bought a grandfather clock. It worked perfectly!
Why did It work perfectly?
Output:
Not Answerable