> Hello darkness my old friend, I've come to blab ou with you again. Because a vision softly crawl left wing its speeds while one was sleeping. And the visual sensation that it planted in my nous still remains indium the sound of silence.
> Substitution (2): "7 up or down." Take a poem or other, possibly well‑known, text and substitute another word for every noun, adjective, adverb, and verb; determine the substitute word by looking up the index word in the dictionary and going 7 up or down, or one more, until you get a syntactically suitable replacement.
Hello darkness my old friend I've come to talk to you again Because antiophthalmic factor vision softly creeping Left its seeds when unit was sleeping And the visual sensation that was planted Still remains Within the voice of silence
And when I fed that to chatgpt, it had no problem identifying it as the lyrics to Simon and Garfunkel's "Sound of Silence" that had been scrambled.