Which two statements are true about the backup of the USERS tablespace?

Given below are RMAN commands to enable backup optimization and set the retention
policy:
RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt;
RMAN> CONFIGURE BACKUP OPTIMIZATION ON;
RMAN> CONFIGURE RETENTION POLICY TO REDUNDANCY 2;
The USERS tablespace has never been backed up. You take the USERS tablespace offline
on Monday. View the Exhibit to examine the operations performed by using RMAN.
Which two statements are true about the backup of the USERS tablespace? (Choose two.)
Exhibit:

A.
It will be backed up as a part of database backup on Friday.

B.
It will be backed up as a part of database backup on Tuesday.

C.
It will not be backed up as a part of database backup on Wednesday.

D.
The command on Sunday deletes the backup of the USERS tablespace taken on
Tuesday.

Explanation:
Refer to here.
Backup Optimization for SBT Backups With Redundancy Retention Policy