[
    {
        "type": "Duplication",
        "clause_1": "The organization retains all user data for a period of five (5) years from the date of collection.",
        "clause_2": "The organization retains all user data for a period of five (5) years from the date of collection.",
        "confidence": 1.0,
        "explanation": "High semantic similarity (>90%)"
    },
    {
        "type": "Contradiction",
        "clause_1": "All cloud storage providers must comply with ISO 27001 security standards.",
        "clause_2": "Cloud vendors are encouraged, but not required, to follow ISO 27001 standards.",
        "confidence": 0.71,
        "explanation": "Logical opposition (Assertion vs Negation)"
    },
    {
        "type": "Contradiction",
        "clause_1": "Users shall have full access to modify or delete their personal data at any time.",
        "clause_2": "Users are not permitted to modify or delete their personal data once it has been submitted.",
        "confidence": 0.67,
        "explanation": "Logical opposition (Assertion vs Negation)"
    }
]