```json { "classifications": [ {"column": "question_number", "role": "identifier", "confidence": 0.95, "reason": "Unique key identifying each question (15 distinct values for 105 rows)"}, {"column": "question_verbatim", "role": "attribute", "confidence": 0.95, "reason": "Full text of survey questions, descriptive content for display"}, {"column": "response_verbatim", "role": "attribute", "confidence": 0.9, "reason": "Full text of response options, descriptive content for display"}, {"column": "Question", "role": "dimension", "confidence": 0.9, "reason": "Categorical label for question type, used for grouping/filtering (16 distinct values)"}, {"column": "Response", "role": "dimension", "confidence": 0.9, "reason": "Categorical response option, used for grouping/filtering (65 distinct values)"}, {"column": "Overall", "role": "measure", "confidence": 0.95, "reason": "Percentage value to be aggregated across responses"}, {"column": "Gender: Male", "role": "measure", "confidence": 0.95, "reason": "Percentage value for demographic segment, aggregatable"}, {"column": "Gender: Female", "role": "measure", "confidence": 0.95, "reason": "Percentage value for demographic segment, aggregatable"}, {"column": "Age: 18–29", "role": "measure", "confidence": 0.95, "reason": "Percentage value for age segment, aggregatable"}, {"column": "Age: 30–44", "role": "measure", "confidence": 0.95, "reason": "Percentage value for age segment, aggregatable"}, {"column": "Age: 45–59", "role": "measure", "confidence": 0.95, "reason": "Percentage value for age segment, aggregatable"}, {"column": "Age: 60+", "role": "measure", "confidence": 0.95, "reason": "Percentage value for age segment, aggregatable"}, {"column": "Income: Under $25K", "role": "measure", "confidence": 0.95, "reason": "Percentage value for income segment, aggregatable"}, {"column": "Income: $25K–$50K", "role": "measure", "confidence": 0.95, "reason": "Percentage value for income segment, aggregatable"}, {"column": "Income: $50K–$75K", "role": "measure", "confidence": 0.95, "reason": "Percentage value for income segment, aggregatable"}, {"column": "Income: $75K–$100K", "role": "measure", "confidence": 0.95, "reason": "Percentage value for income segment, aggregatable"}, {"column": "Income: $100K+", "role": "measure", "confidence": 0.95, "reason": "Percentage value for income segment, aggregatable"}, {"column": "Education: Less than HS", "role": "measure", "confidence": 0.95, "reason": "Percentage value for education segment, aggregatable"}, {"column": "Education: High school", "role": "measure", "confidence": 0.95, "reason": "Percentage value for education segment, aggregatable"}, {"column": "Education: Some college", "role": "measure", "confidence": 0.95, "reason": "Percentage value for education segment, aggregatable"}, {"column": "Education: Bachelor+", "role": "measure", "confidence": 0.95, "reason": "Percentage value for education segment, aggregatable"}, {"column": "Employment: Full-time", "role": "measure", "confidence": 0.95, "reason": "Percentage value for employment segment, aggregatable"}, {"column": "Employment: Part-time", "role": "measure", "confidence": 0.95, "reason": "Percentage value for employment segment, aggregatable"}, {"column": "Race: White, Non-Hispanic", "role": "measure", "confidence": 0.95, "reason": "Percentage value for race segment, aggregatable"}, {"column": "Race: Black, Non-Hispanic", "role": "measure", "confidence": 0.95, "reason": "Percentage value for race segment, aggregatable"}, {"column": "Race: Hispanic", "role": "measure", "confidence": 0.95, "reason": "Percentage value for race segment, aggregatable"}, {"column": "Race: Other/2+, Non-Hispanic", "role": "measure", "confidence": 0.95, "reason": "Percentage value for race segment, aggregatable"}, {"column": "Region: Northeast", "role": "measure", "confidence": 0.95, "reason": "Percentage value for region segment, aggregatable"}, {"column": "Region: Midwest", "role": "measure", "confidence": 0.95, "reason": "Percentage value for region segment, aggregatable"}, {"column": "Region: South", "role": "measure", "confidence": 0.95, "reason": "Percentage value for region segment, aggregatable"}, {"column": "Region: West", "role": "measure", "confidence": 0.95, "reason": "Percentage value for region segment, aggregatable"}, {"column": "Occupation: Software & IT", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Managers", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Business, finance & legal", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Education & social services", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Engineering & science", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Healthcare", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Sales, office/admin & creative", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Manual & in-person services", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"}, {"column": "Occupation: Other (please specify)", "role": "measure", "confidence": 0.95, "reason": "Percentage value for occupation segment, aggregatable"} ] } ```