[Wayne] missed his daughter [Heidi]. [Heidi] was on a vacation with her sister, [Louise].
('Louise', 'Wayne')
[Wayne] missed his daughter [Heidi]. [Heidi] was on a vacation with her sister, [Louise].
[{('Louise', 'father', 'Wayne'): [('Louise', 'sister', 'Heidi'), ('Heidi', 'father', 'Wayne')]}]
['sister', 'father']