How to use the drama.SiblingRivalry function in drama

def _excavate_sibling_rivalries(self):
        """Recognize cases where mutual animosity exists between a pair of siblings."""
        sibling_rivalries = []
        for person in self.simulation.town.residents:
            for sibling in person.siblings:
                if person.dislikes(sibling) and sibling.dislikes(person):
                    subjects = (person, sibling)
                    if not any(sr for sr in self.sibling_rivalries if set(sr.subjects) == set(subjects)):
                        sibling_rivalries.append(SiblingRivalry(subjects=subjects))
        return sibling_rivalries