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: Jeff won the lottery when his numbers were announced. He decided to take his main family out to dinner. After leaving, his wallet fell out of his pocket. Some random stranger found a check with money and took it. Jeff returned to the restaurant for his wallet, but he lost his money.
Why did Jeff win the lottery?

Answerable