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: Robert was editing a script for a movie. He found a lot of errors. Robert stayed up all night editing. He presented the new script very tired. Robert then discovered that the movie was scrapped.
Why did Robert stay up?

Answerable