[Bettie] and her brother [Bernardo] went to the movies together. [Emma] and her sister [Laura] took their grandfather [Harold] out to dinner and saw [Emma]'s brother [Bernardo] eating with his wife.
('Harold', 'Bettie')
[Emma] and her sister [Laura] took their grandfather [Harold] out to dinner and saw [Emma]'s brother [Bernardo] eating with his wife. [Bettie] and her brother [Bernardo] went to the movies together.
[{('Harold', 'granddaughter', 'Bettie'): [('Harold', 'granddaughter', 'Laura'), ('Laura', 'sister', 'Bettie')]}, {('Laura', 'sister', 'Bettie'): [('Laura', 'brother', 'Bernardo'), ('Bernardo', 'sister', 'Bettie')]}, {('Laura', 'brother', 'Bernardo'): [('Laura', 'sister', 'Emma'), ('Emma', 'brother', 'Bernardo')]}]
['granddaughter', 'sister', 'brother', 'sister']