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: Lucy wanted to straighten her wavy hair. She begged her grandmother for a flat iron. Her grandmother thought she was too young. Lucy straightened her hair at a friends. Her grandmother was impressed by her work and bought a flat iron.
Why did Lucy straighten her hair?

Answerable