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: Lucius decided to give his mother a ride home on his motorcycle. His mother was top heavy, and so she fell off. Lucius called an ambulance. His mother had broken her wrist, but was otherwise fine. Lucius bought a sidecar in case his mother decided to ride again.
Why did Lucius decide to give his mother a ride home on his motorcycle?

Not Answerable