[Theresa]'s mom, [Charlotte] got ready for the party. [Charlotte] took her younger sister [Belva] to the carnival last weekend.
('Belva', 'Theresa')
[Charlotte] took her younger sister [Belva] to the carnival last weekend. [Theresa]'s mom, [Charlotte] got ready for the party.
[{('Belva', 'mother', 'Theresa'): [('Belva', 'sister', 'Charlotte'), ('Charlotte', 'mother', 'Theresa')]}]
['sister', 'mother']