def _find_one_after_last_labeled_index(self):
        body_index = 0
        while self.bodies[body_index].segment_id in self.state.body_labels:
            body_index += 1
        return body_index
async def get_user_language(self, obj):
        """
        You need to override this method and return user language
        """
        raise NotImplementedError