[Bettie] took her younger sister [Emma] to the carnival last weekend. [Antonio] loved his two children, [Bernardo] and [Bettie]. [Bernardo] liked to play games with his sister, [Laura].
('Emma', 'Laura')
[Bettie] took her younger sister [Emma] to the carnival last weekend. [Antonio] loved his two children, [Bernardo] and [Bettie]. [Bernardo] liked to play games with his sister, [Laura].
[{('Emma', 'sister', 'Laura'): [('Emma', 'sister', 'Bettie'), ('Bettie', 'sister', 'Laura')]}, {('Bettie', 'sister', 'Laura'): [('Bettie', 'father', 'Antonio'), ('Antonio', 'daughter', 'Laura')]}, {('Antonio', 'daughter', 'Laura'): [('Antonio', 'son', 'Bernardo'), ('Bernardo', 'sister', 'Laura')]}]
['sister', 'father', 'son', 'sister']