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: Today, Bella wore her leotard, tights, and ballet slippers. She walked nervously to the center of the wooden studio floor. She was very happy to see a friend in the class with her. They danced and twirled around for an hour. She cannot wait to return next week.
Why did She walk nervously?

Answerable