[Anna] wanted to prank her brother [Pete]. So she asked her sister [Carrie] if she wanted to help her come up with a prank. [Cindy] took her daughter [Carrie] to see her very first ballet performance.
('Pete', 'Cindy')
[Anna] wanted to prank her brother [Pete]. So she asked her sister [Carrie] if she wanted to help her come up with a prank. [Cindy] took her daughter [Carrie] to see her very first ballet performance.
[{('Pete', 'mother', 'Cindy'): [('Pete', 'sister', 'Anna'), ('Anna', 'mother', 'Cindy')]}, {('Anna', 'mother', 'Cindy'): [('Anna', 'sister', 'Carrie'), ('Carrie', 'mother', 'Cindy')]}]
['sister', 'sister', 'mother']