```json
{
  "action": "flag_duplicate",
  "candidates": [
    "medicaid-work-requirements-cause-coverage-loss-through-procedural-churn-not-employment-screening.md",
    "medicaid-work-requirements-produce-19-37-percent-compliant-worker-disenrollment-through-documentation-infrastructure-failure.md",
    "obbba-medicaid-work-requirements-destroy-enrollment-stability-required-for-vbc-prevention-roi.md"
  ],
  "reasoning": "The reviewer explicitly stated that the new claim 'medicaid-work-requirements-produce-coverage-loss-through-documentation-failure-not-employment-screening.md' substantially overlaps with the existing claim it lists in `supports:` ('medicaid-work-requirements-produce-19-37-percent-compliant-worker-disenrollment-through-documentation-infrastructure-failure'). Both make the same 19-37% documentation-failure argument using the same Georgia precedent and Urban Institute projections, creating a near-duplicate rather than a distinct claim. The other two candidates are also highly related to the mechanism of Medicaid work requirement-induced coverage loss."
}
```