```json { "action": "tool_call", "reasoning": "The dataset card lists several classifiers but doesn't show their value distributions. I need to identify the main categorical columns first by inspecting the tables to see their types and cardinality, then query their most common values. Starting with raw.adsl since it's the spine table with subject-level data.", "tool": "inspect_columns", "args": { "table": "adsl" } } ```