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A retail company uses an Amazon S3 data lake to store customer purchase histories and product metadata. Data scientists frequently query the data for training machine learning models and analytics using Amazon Athena. To comply with internal data governance policies, the company needs to enforce fine-grained access control so that data scientists can only access data relevant to their assigned product categories, such as electronics or clothing. The solution must minimize operational overhead and integrate seamlessly with the existing AWS infrastructure. Which solution meets these requirements?