{"database": "rubrics", "table": "rubric_calibration_events", "rows": [[48, "deepseek-v4-pro", 306, 307, "B", 1, 15657, "2026-05-26 02:39:57", null, null, "original_thinking", "clearly", 1, "Response B shows original thinking by independently designing a purposeful organizational arc that builds argumentative stakes, while Response A's revisions were largely prompted by a teacher and an exercise."]], "columns": ["id", "teacher_id", "gradation_id_a", "gradation_id_b", "teacher_choice", "correct", "response_time_ms", "created_at", "confidence", "perceived_difficulty", "influential_feature", "margin", "rubric_version", "reasoning"], "primary_keys": ["id"], "primary_key_values": ["48"], "units": {}, "query_ms": 0.7559987716376781}