Given the task definition, example input & output, solve the new input case.
In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Example: This list contains the top 25 accounts with the most followers on the social photo-sharing platform Instagram. As of May 2018, the most followed user is Instagram's own account, with over 235 million followers. Selena Gomez is the most followed individual, with over 137 million followers. Ten accounts have exceeded 100 million followers on the site.
Output: who has the maximum number of followers on instagram
The answer is talking about the Instagram accounts that have the most followers. The question asking about the maximum number of followers. So this is a good example.

New input case for you: A teenager wakes up inside an underground elevator with no memory of his identity. A group of male youths greet him in a large grassy area called the 'Glade' enclosed by tall stone walls. The boys ('Gladers') have formed a rudimentary society, with each assuming specialized tasks. Their leader, Alby, says that every boy eventually recalls his name but not his past. The boy learns that a vast Maze surrounding them may be the only way out. During the day, designated Runners search the Maze for an escape route, returning before nightfall when the entrance closes. No one has ever survived a night in the Maze.
Output:
what is a runner in the maze runner