[Wayne] took his daughter [Heidi] to the candy store. [Heidi]'s sister [Louise] was at the dentist because she had a cavity.
('Louise', 'Wayne')
[Wayne] took his daughter [Heidi] to the candy store. [Heidi]'s sister [Louise] was at the dentist because she had a cavity.
[{('Louise', 'father', 'Wayne'): [('Louise', 'sister', 'Heidi'), ('Heidi', 'father', 'Wayne')]}]
['sister', 'father']