[Heidi] and her father [Wayne] went to visit his sister [Theresa].
('Theresa', 'Heidi')
[Heidi] and her father [Wayne] went to visit his sister [Theresa].
[{('Theresa', 'niece', 'Heidi'): [('Theresa', 'brother', 'Wayne'), ('Wayne', 'daughter', 'Heidi')]}]
['brother', 'daughter']