```json {"classifications": [{"column": "Season", "label": "none", "confidence": 1.0, "reason": "Single value, represents the year."}, {"column": "Week", "label": "none", "confidence": 1.0, "reason": "Single value, represents the week."}, {"column": "GameSlot", "label": "none", "confidence": 1.0, "reason": "Categorical day of the week."}, {"column": "Date", "label": "none", "confidence": 1.0, "reason": "Categorical date string."}, {"column": "AwayTeam", "label": "none", "confidence": 0.8, "reason": "Team abbreviation, categorical attribute."}, {"column": "HomeTeam", "label": "none", "confidence": 0.8, "reason": "Team abbreviation, categorical attribute."}, {"column": "Quarter", "label": "none", "confidence": 1.0, "reason": "Categorical quarter string."}, {"column": "DriveNumber", "label": "none", "confidence": 1.0, "reason": "Sequential number within a game, not globally unique."}, {"column": "TeamWithPossession", "label": "none", "confidence": 1.0, "reason": "Categorical team name."}, {"column": "IsScoringDrive", "label": "none", "confidence": 1.0, "reason": "Boolean indicator."}, {"column": "PlayNumberInDrive", "label": "none", "confidence": 1.0, "reason": "Sequential number within a drive."}, {"column": "IsScoringPlay", "label": "none", "confidence": 1.0, "reason": "Boolean indicator."}, {"column": "PlayOutcome", "label": "none", "confidence": 1.0, "reason": "Categorical outcome description."}, {"column": "PlayStart", "label": "none", "confidence": 1.0, "reason": "Play context string, not unique."}, {"column": "PlayTimeFormation", "label": "none", "confidence": 1.0, "reason": "Play context string, not unique."}, {"column": "PlayDescription", "label": "near_key", "confidence": 0.9, "reason": "Highly distinct (98.7%) but not perfectly unique, serves as a near-unique identifier for the play."}]} ```