def add_default_rel_dict():
        """ Creates a default relation to relation if dictionary with RuRED relations """
        return dict(no_relation=0, MEMBER=1, WORKS_AS=2, WORKPLACE=3, OWNERSHIP=4, SUBORDINATE_OF=5, TAKES_PLACE_IN=6,
                    EVENT_TAKES_PART_IN=7, SELLS_TO=8, ALTERNATIVE_NAME=9, HEADQUARTERED_IN=10, PRODUCES=11,
                    ABBREVIATION=12, DATE_DEFUNCT_IN=13, SUBEVENT_OF=14, DATE_FOUNDED_IN=15, DATE_TAKES_PLACE_ON=16,
                    NUMBER_OF_EMPLOYEES_FIRED=17, ORIGINS_FROM=18, ACQUINTANCE_OF=19, PARENT_OF=20, ORGANIZES=21,
                    FOUNDED_BY=22, PLACE_RESIDES_IN=23, BORN_IN=24, AGE_IS=25, RELATIVE=26, NUMBER_OF_EMPLOYEES=27,
                    SIBLING=28, DATE_OF_BIRTH=29)
 Creates a default relation to relation if dictionary with RuRED relations 
deeppavlov/dataset_readers/rured_reader.py