[Lena] and her brother [Hugh] are both adopted from the same family. [Hugh] liked playing with his brother [Francisco] more than anyone else. This made [Lynn] jealous of her brother [Francisco].
('Lynn', 'Lena')
[Hugh] liked playing with his brother [Francisco] more than anyone else. This made [Lynn] jealous of her brother [Francisco]. [Lena] and her brother [Hugh] are both adopted from the same family.
[{('Lynn', 'sister', 'Lena'): [('Lynn', 'brother', 'Francisco'), ('Francisco', 'sister', 'Lena')]}, {('Francisco', 'sister', 'Lena'): [('Francisco', 'brother', 'Hugh'), ('Hugh', 'sister', 'Lena')]}]
['brother', 'brother', 'sister']