```json {"classifications": [{"column": "Season", "label": "none", "confidence": 1.0, "reason": "Constant value for the year, does not identify entities or sessions."}, {"column": "Week", "label": "none", "confidence": 1.0, "reason": "Constant value for the week, does not identify entities or sessions."}, {"column": "GameSlot", "label": "none", "confidence": 1.0, "reason": "Broad time slot category, not a session or entity identifier."}, {"column": "Date", "label": "none", "confidence": 1.0, "reason": "Calendar date of the game, not a session or entity identifier."}, {"column": "AwayTeam", "label": "none", "confidence": 0.8, "reason": "Identifies a participating team, but TeamWithPossession is the specific actor for the play."}, {"column": "HomeTeam", "label": "none", "confidence": 0.8, "reason": "Identifies a participating team, but TeamWithPossession is the specific actor for the play."}, {"column": "Quarter", "label": "none", "confidence": 0.9, "reason": "Game segment, not a unique session or time axis."}, {"column": "DriveNumber", "label": "session_container", "confidence": 0.8, "reason": "Identifies a bounded episode of activity (a drive) within the game."}, {"column": "TeamWithPossession", "label": "session_entity", "confidence": 0.9, "reason": "The party (team) whose activity is being recorded and grouped in the drive."}, {"column": "IsScoringDrive", "label": "none", "confidence": 1.0, "reason": "Boolean flag indicating drive outcome."}, {"column": "PlayNumberInDrive", "label": "session_time_axis", "confidence": 0.95, "reason": "Ordinal counter that increments through the activity (the drive)."}, {"column": "IsScoringPlay", "label": "none", "confidence": 1.0, "reason": "Boolean flag indicating play outcome."}, {"column": "PlayOutcome", "label": "none", "confidence": 1.0, "reason": "Categorical outcome of the play."}, {"column": "PlayStart", "label": "none", "confidence": 1.0, "reason": "Contextual string describing down, distance, and field position."}, {"column": "PlayTimeFormation", "label": "none", "confidence": 0.7, "reason": "Contains game clock but mixed with formation data; PlayNumberInDrive serves as the primary ordinal time axis."}, {"column": "PlayDescription", "label": "none", "confidence": 1.0, "reason": "Free-text description of the play event."}]} ```