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: Ed missed his brother Riley. He called and invited Riley over for dinner. That weekend Riley came to eat dinner. The two brothers chatted and caught up. Ed was so glad to have seen his brother!
Why was Ed so glad to have seen his brother?

Answerable