[Dale] asked his sister [Lillian] if she could pick his son [James] up from school today and she said yes.
('James', 'Lillian')
[Dale] asked his sister [Lillian] if she could pick his son [James] up from school today and she said yes.
[{('James', 'aunt', 'Lillian'): [('James', 'father', 'Dale'), ('Dale', 'sister', 'Lillian')]}]
['father', 'sister']