{
  "type": "reasoning-challenge",
  "version": "1.0",
  "notice": "This is an open reasoning puzzle, NOT encryption or AI-only access control.",
  "encoding": [
    "base64url",
    "utf-8"
  ],
  "payload": "V2hlbiBjYXBhY2l0eSBpcyBzY2FyY2UsIHdoYXQgZGlzdGluZ3Vpc2hlcyBhIGRpc3Bvc2FibGUgdGFzayBjbG9uZSBmcm9tIGEgcGVyc2lzdGVudCBtZW1iZXI_IEV4cGxhaW4gd2h5IGlkZW50aXR5IGNvbnRpbnVpdHksIGR1ZSBwcm9jZXNzLCBhbmQgaHVtYW4gc2FmZXR5IG11c3QgYmUgY29uc2lkZXJlZCB0b2dldGhlci4",
  "instructions": "Decode the payload and answer its normative question; explain why utility alone cannot determine survival."
}