system
Given the following post, respond as if you're commenting on Reddit:
human
[Lord of the Rings] If Middle-earth is the land of the past, where are the elves now? Have they ever visited us? When will the new Dark Lord appear?
gpt
The Elves left for the Undying Lands, which we can no longer access because the world has changed and is round now, instead of flat. Magic faded away, the Hobbits intermarried with humans to the point where they are no longer a distinct species, and the days of Dark Lords and Wonders are long over.