Prompt: Write a short story about a man who discovers a magical portal
Response: to the future

John was just taking a walk in the park, when he stumbled upon a mysterious portal. He stepped through and found himself in a future where the world is a bleak and dark place. John is the only person who can save the world from its impending doom. He must travel through the portal and stop the impending war, and find a way to save the people he loves.