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: The Martin family went to get their Christmas tree. The tree lot had just put out fresh trees. They picked one out and brought it home. They decorated the tree together. While decorating they sang the carol O Christmas Tree.
Why did They decorate the tree?

Answerable