Point out the incorrect statement.

Question $3$ options:

In SELINUX, a user is the SELinux concept that comes closest to a UNIX user identity $($UID$)$

The user is the authenticated identity of a user in the system.

$.$ In SELinux, user identity solely defines a set of roles to which the user is not permitted by the SELinux policy

When a user authenticates, the user can choose one role from the set authorized by the SELinux policy