{
    "decisions": [
        {
            "candidate_id": "refc_9b0e27d06157c075",
            "decision": "accept",
            "reason_codes": [
                "semantic_supported",
                "exact_on_snapshot"
            ],
            "grounds": [
                "entity_meaning",
                "row_grain"
            ],
            "cited_evidence_ids": [
                "refm_1c95348ee2031d0b",
                "keycert_3be7b9331f5bdf18"
            ],
            "claims": [
                {
                    "fact": "distinct_eligible_tuples",
                    "value": 20
                },
                {
                    "fact": "matched_distinct_tuples",
                    "value": 20
                },
                {
                    "fact": "unmatched_rows",
                    "value": 0
                },
                {
                    "fact": "parent_rows",
                    "value": 20
                }
            ],
            "rationale": "Orders are transactional lines that each refer to a product; raw.products holds one row per ProductID (certified unique, never null), and every order's ProductID, e.g. 2010, 2020, 2008, matches a product. The product catalogue is the natural parent, with no competing target."
        }
    ],
    "suggestions": []
}