@abc.abstractmethod<EOL><INDENT>def get_first_unanswered_question(self, assessment_section_id):<DEDENT>
return<EOL>
Gets the first unanswered question in this assesment section.

        :param assessment_section_id: ``Id`` of the ``AssessmentSection``
        :type assessment_section_id: ``osid.id.Id``
        :return: the first unanswered question
        :rtype: ``osid.assessment.Question``
        :raise: ``IllegalState`` -- ``has_unanswered_questions()`` is ``false``
        :raise: ``NotFound`` -- ``assessment_section_id`` is not found
        :raise: ``NullArgument`` -- ``assessment_section_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred

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