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: I sat my groceries on the kitchen counter. I locked the inside back door. I remembered I didn't get the mail. I searched for my keys for the mailbox. I retraced my steps and the keys were in the door.
Why did I remember I did n't get the mail?

Not Answerable