[Nancy] and her sister [Theresa] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Charlotte] loved her mother [Theresa]. She was heartbroken when she heard [Theresa] had suddenly passed away.
('Charlotte', 'Nancy')
[Charlotte] loved her mother [Theresa]. She was heartbroken when she heard [Theresa] had suddenly passed away. [Nancy] and her sister [Theresa] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
[{('Charlotte', 'aunt', 'Nancy'): [('Charlotte', 'mother', 'Theresa'), ('Theresa', 'sister', 'Nancy')]}]
['mother', 'sister']