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: Don was unhappy in his relationship. He started cheating on his girlfriend. One day he told her he was at home when actually on a date. She happened to show up at the same restaurant. Don was confronted and dumped on the spot.
Why did He start cheating on his girlfriend?

Answerable