Find an answer in source material

{
  "state": {
    "question": "How long does a password reset link stay valid?",
    "sources": [
      {
        "key": "s1",
        "id": "H1",
        "text": "Help center: Reset your password, 2026-09-02: Open Settings and choose Reset password."
      },
      {
        "key": "s2",
        "id": "H2",
        "text": "Help center: Reset your password, 2026-09-02: We email you a link to set a new password."
      },
      {
        "key": "s3",
        "id": "H3",
        "text": "Help center: Reset your password, 2026-09-02: The link expires 30 minutes after we send it."
      },
      {
        "key": "s4",
        "id": "A1",
        "text": "API reference: POST /v2/password-resets, 2026-08-14: Creates a reset request and emails the account owner."
      },
      {
        "key": "s5",
        "id": "A2",
        "text": "API reference: POST /v2/password-resets, 2026-08-14: Returns 202 Accepted, even when the email address is not registered."
      },
      {
        "key": "s6",
        "id": "A3",
        "text": "API reference: POST /v2/password-resets, 2026-08-14: Each reset token works once."
      },
      {
        "key": "s7",
        "id": "F1",
        "text": "Community forum reply, 2026-09-10: Check your spam folder if the email does not arrive."
      },
      {
        "key": "s8",
        "id": "F2",
        "text": "Community forum reply, 2026-09-10: Support answered my question within a day."
      }
    ]
  },
  "questions": {
    "source": {
      "type": "choice",
      "instructions": "Which source most directly answers the question? Use only the source text. Choose none if no source answers it.",
      "criteria": {
        "s1": "Source s1 (H1)",
        "s2": "Source s2 (H2)",
        "s3": "Source s3 (H3)",
        "s4": "Source s4 (A1)",
        "s5": "Source s5 (A2)",
        "s6": "Source s6 (A3)",
        "s7": "Source s7 (F1)",
        "s8": "Source s8 (F2)",
        "none": "No supplied source answers the question"
      }
    },
    "answer_exists": {
      "type": "boolean",
      "instructions": "Does any source state or directly imply an answer to the question? An explicit negative answer counts.",
      "criteria": {
        "true": "A source states or directly implies the answer, including an explicit negative answer",
        "false": "The sources do not establish an answer"
      }
    },
    "conflict": {
      "type": "boolean",
      "instructions": "Do two or more sources make incompatible claims about the answer to the question? A plan and a later observation are not a conflict by themselves.",
      "criteria": {
        "true": "Sources assert incompatible facts about the same thing",
        "false": "No incompatible claims about the answer"
      }
    }
  }
}