```json { "action": "tool_call", "reasoning": "The question asks for a classification of all columns across both tables. The dataset card indicates 'COLUMN OWNERSHIP: not listed here (97 columns across 2 tables exceeds the card budget)' and instructs to call inspect_columns to get exact columns. I'll start by inspecting raw.adsl to see its columns and their metadata, which includes semantic_role that will help classify them.", "tool": "inspect_columns", "args": { "table": "raw.adsl" } } ```