Examine the Data Guard configuration:

DGMGRL> show configuration;

Configuration - Animals

Protection Mode: MaxAvailability

Databases:

dogs - Primary database

sheep - Snapshot standby database

cats - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:

SUCCESS

You receive an error while attempting to raise the protection mode to Maximum Protection:

DGMGRL> edit configuration set protection mode as maxprotection;

Error: ORA-16627: operation disallowed since no standby databases would remain to support protection mode

Failed.

Which is the minimum statement, or sequence of statements you must execute to enable successful raising of the protection mode to Maximum Protection?