```json {"classifications": [{"column": "Season", "label": "none", "confidence": 1.0, "reason": "Single value for the entire table, not a key."}, {"column": "Week", "label": "none", "confidence": 1.0, "reason": "Single value for the entire table, not a key."}, {"column": "GameSlot", "label": "none", "confidence": 1.0, "reason": "Single value for the entire table, not a key."}, {"column": "Date", "label": "none", "confidence": 1.0, "reason": "Single value for the entire table, not a key."}, {"column": "AwayTeam", "label": "none", "confidence": 0.9, "reason": "Team abbreviation, categorical attribute rather than a strict foreign key."}, {"column": "HomeTeam", "label": "none", "confidence": 0.9, "reason": "Team abbreviation, categorical attribute rather than a strict foreign key."}, {"column": "Quarter", "label": "none", "confidence": 1.0, "reason": "Categorical game period, not a key."}, {"column": "DriveNumber", "label": "none", "confidence": 0.9, "reason": "Sequential number within the game, not a standalone key."}, {"column": "TeamWithPossession", "label": "none", "confidence": 1.0, "reason": "Categorical team name, not a key."}, {"column": "IsScoringDrive", "label": "none", "confidence": 1.0, "reason": "Boolean indicator, not a key."}, {"column": "PlayNumberInDrive", "label": "none", "confidence": 1.0, "reason": "Sequential number within a drive, not a key."}, {"column": "IsScoringPlay", "label": "none", "confidence": 1.0, "reason": "Boolean indicator, not a key."}, {"column": "PlayOutcome", "label": "none", "confidence": 1.0, "reason": "Play result description, not a key."}, {"column": "PlayStart", "label": "none", "confidence": 1.0, "reason": "Play context description, not a key."}, {"column": "PlayTimeFormation", "label": "none", "confidence": 1.0, "reason": "Play timing and formation details, not unique (91.5% distinct)."}, {"column": "PlayDescription", "label": "none", "confidence": 1.0, "reason": "Text description of the play, not unique (94% distinct)."}]} ```