You perform RMAN backups for your database and use a recovery catalog for managing the backups. To free space, you execute this command: RMAN> DELETE OBSOLETE; Which three statements are true is this scenario? (Choose three.) 

Answer options:

A. The backup sets marked as expired are deleted.
B. The information related to the backups is removed from the recovery catalog and the control file.
C. The physical files related to the backup need to be manually deleted.
D. The physical files related to the backup are deleted automatically.
E. The backups deleted are based on the backup retention policy.

BDE