```json { "table_name": "Iris", "table_type_tags": [ {"tag": "dimension", "confidence": 0.95} ], "primary_type": "dimension", "insufficient_evidence": false, "entity": { "columns": ["Id"], "unique_per_row": true }, "time_axis": null, "reasoning": "Id is unique per row (Uniqueness 1.000, RPUV 1.00), establishing each row as a distinct iris specimen. The four provenance columns (_ingestion_timestamp, _batch_id, _source_file, _source_system) are synthetic load-time metadata and carry no evidence. The remaining columns (SepalLengthCm, SepalWidthCm, PetalLengthCm, PetalWidthCm, Species) are measured attributes of each specimen with no time axis or sequence ordering the rows. This is a catalog of iris specimens with their morphological measurements: dimension." } ```