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: Consider Input: Ana was playing in the snow with her brother. They were having a snowball fight. Suddenly, Anna felt a pain in her cheek. She saw that the snowball had had a rock in it. Her brother apologized and they quit fighting.
Why did She see that the snowball had had a rock in it?

Output: Answerable

Input: Consider Input: Joe bought a new board game and took it to his friend's house. The both read the instructions for a long time. Joe asked his friend if he understood the rules. The friend shook his head. Joe explained the rules to the friend and he then understood.
Why did Joe explain the rules?

Output: Answerable

Input: Consider Input: Sara was very diligent in completing her homework. She always received good grades as a result of her attentiveness. Sara told her friends that they would get good grades if they studied. They started studying together in the library after school. After a little while, Sara's friends also received good grades!
Why did Sara tell her friends?
Output: Answerable