```json {"classifications": [{"column": "question_number", "label": "none", "confidence": 1.0, "reason": "Identifier for survey questions, not a coordinate"}, {"column": "question_verbatim", "label": "none", "confidence": 1.0, "reason": "Text content of survey questions"}, {"column": "response_verbatim", "label": "none", "confidence": 1.0, "reason": "Text content of survey responses"}, {"column": "Question", "label": "none", "confidence": 1.0, "reason": "Categorical label for question types"}, {"column": "Response", "label": "none", "confidence": 1.0, "reason": "Categorical response values"}, {"column": "Overall", "label": "none", "confidence": 1.0, "reason": "Percentage measure, not a coordinate"}, {"column": "Gender: Male", "label": "none", "confidence": 1.0, "reason": "Demographic measure (percentage)"}, {"column": "Gender: Female", "label": "none", "confidence": 1.0, "reason": "Demographic measure (percentage)"}, {"column": "Age: 18–29", "label": "none", "confidence": 1.0, "reason": "Age cohort measure (percentage), not temporal coordinate"}, {"column": "Age: 30–44", "label": "none", "confidence": 1.0, "reason": "Age cohort measure (percentage), not temporal coordinate"}, {"column": "Age: 45–59", "label": "none", "confidence": 1.0, "reason": "Age cohort measure (percentage), not temporal coordinate"}, {"column": "Age: 60+", "label": "none", "confidence": 1.0, "reason": "Age cohort measure (percentage), not temporal coordinate"}, {"column": "Income: Under $25K", "label": "none", "confidence": 1.0, "reason": "Income bracket measure (percentage)"}, {"column": "Income: $25K–$50K", "label": "none", "confidence": 1.0, "reason": "Income bracket measure (percentage)"}, {"column": "Income: $50K–$75K", "label": "none", "confidence": 1.0, "reason": "Income bracket measure (percentage)"}, {"column": "Income: $75K–$100K", "label": "none", "confidence": 1.0, "reason": "Income bracket measure (percentage)"}, {"column": "Income: $100K+", "label": "none", "confidence": 1.0, "reason": "Income bracket measure (percentage)"}, {"column": "Education: Less than HS", "label": "none", "confidence": 1.0, "reason": "Education level measure (percentage)"}, {"column": "Education: High school", "label": "none", "confidence": 1.0, "reason": "Education level measure (percentage)"}, {"column": "Education: Some college", "label": "none", "confidence": 1.0, "reason": "Education level measure (percentage)"}, {"column": "Education: Bachelor+", "label": "none", "confidence": 1.0, "reason": "Education level measure (percentage)"}, {"column": "Employment: Full-time", "label": "none", "confidence": 1.0, "reason": "Employment status measure (percentage)"}, {"column": "Employment: Part-time", "label": "none", "confidence": 1.0, "reason": "Employment status measure (percentage)"}, {"column": "Race: White, Non-Hispanic", "label": "none", "confidence": 1.0, "reason": "Race/ethnicity measure (percentage)"}, {"column": "Race: Black, Non-Hispanic", "label": "none", "confidence": 1.0, "reason": "Race/ethnicity measure (percentage)"}, {"column": "Race: Hispanic", "label": "none", "confidence": 1.0, "reason": "Race/ethnicity measure (percentage)"}, {"column": "Race: Other/2+, Non-Hispanic", "label": "none", "confidence": 1.0, "reason": "Race/ethnicity measure (percentage)"}, {"column": "Region: Northeast", "label": "spatial", "confidence": 0.95, "reason": "Geographic region used for demographic segmentation"}, {"column": "Region: Midwest", "label": "spatial", "confidence": 0.95, "reason": "Geographic region used for demographic segmentation"}, {"column": "Region: South", "label": "spatial", "confidence": 0.95, "reason": "Geographic region used for demographic segmentation"}, {"column": "Region: West", "label": "spatial", "confidence": 0.95, "reason": "Geographic region used for demographic segmentation"}, {"column": "Occupation: Software & IT", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Managers", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Business, finance & legal", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Education & social services", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Engineering & science", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Healthcare", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Sales, office/admin & creative", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Manual & in-person services", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}, {"column": "Occupation: Other (please specify)", "label": "none", "confidence": 1.0, "reason": "Occupation category measure (percentage)"}]} ```