{
    "decisions": [
        {
            "candidate_id": "refc_b029f11ceb863ed8",
            "decision": "accept",
            "reason_codes": [
                "semantic_supported",
                "exact_on_snapshot"
            ],
            "grounds": [
                "entity_meaning",
                "role_meaning",
                "row_grain"
            ],
            "cited_evidence_ids": [
                "refm_dcd543dc74029155",
                "keycert_ed7ab641a6fffb76"
            ],
            "claims": [
                {
                    "fact": "distinct_eligible_tuples",
                    "value": 1219
                },
                {
                    "fact": "unmatched_rows",
                    "value": 0
                },
                {
                    "fact": "parent_rows",
                    "value": 2000
                }
            ],
            "rationale": "A transaction's client_id names the client who made it, and users_data holds one row per user keyed by id (certified). All 1219 distinct client values match, and the card_id column covers the card side separately."
        },
        {
            "candidate_id": "refc_f4e3954836ee65c3",
            "decision": "reject",
            "reason_codes": [
                "role_conflict",
                "coincidental_overlap",
                "competing_target"
            ],
            "grounds": [
                "entity_meaning",
                "role_meaning"
            ],
            "cited_evidence_ids": [
                "refm_fc35e79eb8b46ae4"
            ],
            "claims": [
                {
                    "fact": "distinct_eligible_tuples",
                    "value": 1219
                },
                {
                    "fact": "parent_rows",
                    "value": 6146
                }
            ],
            "rationale": "cards_data.id numbers cards, and transactions already carry card_id for that. A client_id is a client identifier (cards_data has its own client_id pointing to users), so full overlap with the 0..6145 card ids is coincidental."
        }
    ],
    "suggestions": [
        {
            "child": "source:raw.transactions_data",
            "child_columns": [
                "card_id"
            ],
            "parent": "source:raw.cards_data",
            "parent_columns": [
                "id"
            ]
        }
    ]
}