@abc.abstractmethod<EOL><INDENT>def get_cognitive_process(self):<DEDENT>
return<EOL>
Gets the grade associated with the cognitive process.

        :return: the grade
        :rtype: ``osid.grading.Grade``
        :raise: ``IllegalState`` -- ``has_cognitive_process()`` is ``false``
        :raise: ``OperationFailed`` -- unable to complete request

        *compliance: mandatory -- This method must be implemented.*