[Nancy] is the proud mother of [Linda]. [Nancy] has a sister named [Theresa] who she is very close to.
('Linda', 'Theresa')
[Nancy] is the proud mother of [Linda]. [Nancy] has a sister named [Theresa] who she is very close to.
[{('Linda', 'aunt', 'Theresa'): [('Linda', 'mother', 'Nancy'), ('Nancy', 'sister', 'Theresa')]}]
['mother', 'sister']