[David] was sewing a sweater for her sister [Lynn]. [Lena]'s sister, [David], recently started acting. [Lena]'s brother [Francisco] was going to be the star in the new show.
('Lynn', 'Francisco')
[David] was sewing a sweater for her sister [Lynn]. [Lena]'s sister, [David], recently started acting. [Lena]'s brother [Francisco] was going to be the star in the new show.
[{('Lynn', 'brother', 'Francisco'): [('Lynn', 'sister', 'Lena'), ('Lena', 'brother', 'Francisco')]}, {('Lynn', 'sister', 'Lena'): [('Lynn', 'sister', 'David'), ('David', 'sister', 'Lena')]}]
['sister', 'sister', 'brother']