instruction:
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.
question:
Lenny had a walnut tree in his yard and he loved walnuts. But he had no nutcracker! He had a basket of nuts that made his mouth water. Then he had a great idea! He cracked the nuts open with a hammer and snacked all night!
Why had Lenny a walnut tree?
answer:
Answerable

question:
Lena had a lot of things she didn't need in her house. She wanted to get rid of all of it. Lena decided to have a tag sale. She was able to sell most of her things. Lena was happy to have some extra money and a cleaner house.
Why did Lena decide to have a tag sale?
answer:
Answerable

question:
Lindsay went to the doctor for stomach pains. The doctor decided to issue a cat scan. It was determined that Lindsay had an infected appendix. The doctor ordered a surgery right away. Lindsay had the surgery and felt much better after a few days.
Why did Lindsay go to the doctor?
answer:
Answerable