Questions about policy rule's ldap direct ory mapping

Hi all,
In rfc3703(Policy Core LDAP Schema), there is a policy rule Rule1 with one rule-specific condition CA and
one rule-specific action AB as following:
                    +-----+
                    |Rule1|
                    |        |
              +---|-      -|--------+
              |     +-----+          |
              |      *      *           |
              |      *      *           |
              |    ***     ****        |
              |    *           *        |
              v   *           *       v
            +--------+   +--------+
            | CA+ca  |   | AB+ab  |
            +--------+   +--------+
                          +--------------------------------+
                          |LEGEND:                           |
                          |  ***** DIT containment       |
                          |    +   auxiliary attachment  |
                          |  ----> DN reference           |
                          +--------------------------------+
In the above, ca and ab are auxiliary classes which represent policy condtion and policy action
seperately, and, CA and AB are structual classes which represent associations between Rule1 and ca, and
between Rule1 and ab. 

Could anyone tell me what's the Policy Object Hierarchy in ldap directory for the example above?
Especialy, how CA+ca is represented?

Thanks in advance!