You will be given a definition of a task first, then an example. Follow the example to solve a new instance 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.

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?
Solution: Answerable
Why? He formulated a machine learning algorithm to process words.

New input: Ali's class had arrived at the museum. She looked around to see if the bully Val was there. Val was nowhere to be seen. Ali tried to relax as she climbed the museum stairs. Her stomach dropped when she saw Val waiting for her at the door.
Why did Ali try to relax as she climbed the museum stairs?
Solution:
Answerable