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: Johnny was riding his skateboard near his house. He was going really fast around the corners. He zoomed in and out of the streets. Johnny went flying off his skateboard as it hit a rock in the road. He scraped his knees and called his mom to pick him up.
Why did He scrape his knees?

Answerable