[Dale] and his sister [Lillian] were fighting. [Travis] asked his father if they would ever make up.
('Travis', 'Lillian')
[Dale] and his sister [Lillian] were fighting. [Travis] asked his father if they would ever make up.
[{('Travis', 'aunt', 'Lillian'): [('Travis', 'father', 'Dale'), ('Dale', 'sister', 'Lillian')]}]
['father', 'sister']