[Lillian], [Wayne]'s sister, enjoys taking her daughter, [Janet], to the park.
('Wayne', 'Janet')
[Lillian], [Wayne]'s sister, enjoys taking her daughter, [Janet], to the park.
[{('Wayne', 'niece', 'Janet'): [('Wayne', 'sister', 'Lillian'), ('Lillian', 'daughter', 'Janet')]}]
['sister', 'daughter']