def _add_paragraph(self):
        return Paragraph(self._element.add_p(), self)
Return relationship of matching *reltype*, *target*, and
dataset/ETHPy150Open python-openxml/python-docx/docx/blkcntnr.py/BlockItemContainer._add_paragraph--crossover with--dataset/ETHPy150Open scanny/python-pptx/pptx/opc/package.py/RelationshipCollection._get_matching