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: Ken's cat kept scratching itself. Ken wondered if it had fleas. He took it to a veterinarian. It turned out Ken's worries were correct. Luckily getting rid of them wasn't so hard.
Why did Ken wonder if it had fleas?

Answerable