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: Chris was struggling in English class. Chris decided to hire a tutor. Chris' tutor helped him tremendously. Chris was happy working with his tutor. Chris saw his grade improve in English class.
Why did Chris see his grade improve in English class?

Answerable