A company's data scientists want to create AI/ML training models using Amazon SageMaker.

Configure an S3 Lifecycle rule on the S3 bucket to delete objects after 45 days.

Create an AWS Lambda function to check the last-modified date of the S3 objects and delete objects that are older than 45 days. Create an S3 event notification to invoke the Lambda function for each PutObject operation.

Create an AWS Lambda function to check the last-modified date of the S3 objects and delete objects that are older than 45 days. Create an Amazon EventBridge rule to invoke the Lambda function each month.

Configure S3 Intelligent-Tiering on the S3 bucket to automatically transition objects to another storage class.