[Belva] was pleased to receive a birthday card from her grandmother, [Ashley]. [Belva] and her sister [Charlotte] played golf together. [Belva] won easily.
('Charlotte', 'Ashley')
[Belva] and her sister [Charlotte] played golf together. [Belva] won easily. [Belva] was pleased to receive a birthday card from her grandmother, [Ashley].
[{('Charlotte', 'grandmother', 'Ashley'): [('Charlotte', 'sister', 'Belva'), ('Belva', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']