[Emma] has a sister named [Bettie] and a brother named [Bernardo]. [Emma]'s sister, [Laura], recently started acting. [Antonio] and his daughter, [Bettie] had tea.
('Laura', 'Antonio')
[Emma]'s sister, [Laura], recently started acting. [Emma] has a sister named [Bettie] and a brother named [Bernardo]. [Antonio] and his daughter, [Bettie] had tea.
[{('Laura', 'father', 'Antonio'): [('Laura', 'sister', 'Bettie'), ('Bettie', 'father', 'Antonio')]}, {('Laura', 'sister', 'Bettie'): [('Laura', 'sister', 'Emma'), ('Emma', 'sister', 'Bettie')]}, {('Emma', 'sister', 'Bettie'): [('Emma', 'brother', 'Bernardo'), ('Bernardo', 'sister', 'Bettie')]}]
['sister', 'brother', 'sister', 'father']