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: Phil has many dogs. He taught them many tricks. One day, the dogs stopped listening to Phil. He went to the store to buy different treats. The dogs started listening to Phil again.
Why did He teach them?

Answerable