[Theresa] is the mother of a son named [Travis]. [Lillian] is a woman with a sister named [Theresa].
('Travis', 'Lillian')
[Theresa] is the mother of a son named [Travis]. [Lillian] is a woman with a sister named [Theresa].
[{('Travis', 'aunt', 'Lillian'): [('Travis', 'mother', 'Theresa'), ('Theresa', 'sister', 'Lillian')]}]
['mother', 'sister']