Which two statements are correct in this scenario?

You created two databases using Database Configuration Assistant (DBCA). Both the databases use the same set of Oracle executables. Which two statements are correct in this scenario? (Choose two.)

A.
Both the databases cannot share the same listener.

B.
The Oracle Universal Installer (OUI) will be run as the root user.

C.
Two oraenv scripts need to be customized, one for each database.

D.
The oratab file will have a separate entry for each database instance.

E.
Both the databases would have the same Oracle home but different Oracle SIDs.