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"I Have No Mouth, and I Must Scream", penned by the American author Harlan Ellison, is a dystopian and dark science fiction short story where artificial intelligence has conquered the world. A sadistic supercomputer named AM has wiped out humanity, leaving only five survivors alive solely to torture them. Rendering these humans immortal and subjecting them to centuries of physical and psychological torment, AM continues to spew its hatred upon them. The story depicts this desperate group's struggle against the computer's cruel games and illustrates the absolute zenith of human despair. Its conclusion features one of the most shocking and horrifying endings in literary history.