[Francisco] and his sister [Lynn] were painting the front of the house. [Francisco]'s brother, [Hugh], was repairing the shutters. [Lynn] was playing hide-and-seek with her sister [Lena].
('Hugh', 'Lena')
[Francisco] and his sister [Lynn] were painting the front of the house. [Francisco]'s brother, [Hugh], was repairing the shutters. [Lynn] was playing hide-and-seek with her sister [Lena].
[{('Hugh', 'sister', 'Lena'): [('Hugh', 'sister', 'Lynn'), ('Lynn', 'sister', 'Lena')]}, {('Hugh', 'sister', 'Lynn'): [('Hugh', 'brother', 'Francisco'), ('Francisco', 'sister', 'Lynn')]}]
['brother', 'sister', 'sister']