Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Managemen

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Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)

A. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
B. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
C. The Oracle Grid Infrastructure installation must be owned by the grid user.
D. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries. E. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups. F. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.