[Lynn]'s sister, [Lena], recently started acting. [Dolores] went on a vacation with her brother [Clarence]. [Dolores] and her mother [Lynn] attended a play at the theater.
('Lena', 'Clarence')
[Lynn]'s sister, [Lena], recently started acting. [Dolores] and her mother [Lynn] attended a play at the theater. [Dolores] went on a vacation with her brother [Clarence].
[{('Lena', 'nephew', 'Clarence'): [('Lena', 'sister', 'Lynn'), ('Lynn', 'son', 'Clarence')]}, {('Lynn', 'son', 'Clarence'): [('Lynn', 'daughter', 'Dolores'), ('Dolores', 'brother', 'Clarence')]}]
['sister', 'daughter', 'brother']