[Hugh] and his sister [Lena] were painting the front of the house. [Hugh]'s brother, [Joshua], was repairing the shutters. [Joshua] is the great brother of [Francisco].
('Francisco', 'Lena')
[Joshua] is the great brother of [Francisco]. [Hugh] and his sister [Lena] were painting the front of the house. [Hugh]'s brother, [Joshua], was repairing the shutters.
[{('Francisco', 'sister', 'Lena'): [('Francisco', 'brother', 'Joshua'), ('Joshua', 'sister', 'Lena')]}, {('Joshua', 'sister', 'Lena'): [('Joshua', 'brother', 'Hugh'), ('Hugh', 'sister', 'Lena')]}]
['brother', 'brother', 'sister']