```json { "names": [ { "relation": "fd_fact_d8b79a6c93db", "decision": "name", "name": "wc_2026_fixtures", "confidence": 0.98, "reason_code": "source_table_grain", "rationale": "The fact table preserves the source grain: one row per fixture. It retains the source table's own name." }, { "relation": "fd_dim_0199757a4d2d", "decision": "name", "name": "teams", "confidence": 0.92, "reason_code": "key_identifies_entity", "rationale": "Keyed on team identifier (team1), with team attributes: coach and confederation. One row per team in the tournament." }, { "relation": "fd_dim_3ee57d79f219", "decision": "decline", "name": null, "confidence": 0.85, "reason_code": "no_entity_only_mechanism", "rationale": "This is a second team dimension with identical structure to the first, keyed on team2. Naming it 'teams' would collide with the first; any distinguishing name describes the mechanism (team2_lookup) rather than an entity." }, { "relation": "fd_dim_bed1ba725233", "decision": "name", "name": "venues", "confidence": 0.96, "reason_code": "key_identifies_entity", "rationale": "Keyed on venue (the stadium name), with location attributes: city and country. One row per venue." } ] } ```