[Lena] went on a vacation with her brother [Francisco]. [Francisco]'s daughter, [Wilhelmina], was bored. So, she asked her sister [Anna] to play with her.
('Lena', 'Anna')
[Lena] went on a vacation with her brother [Francisco]. [Francisco]'s daughter, [Wilhelmina], was bored. So, she asked her sister [Anna] to play with her.
[{('Lena', 'niece', 'Anna'): [('Lena', 'brother', 'Francisco'), ('Francisco', 'daughter', 'Anna')]}, {('Francisco', 'daughter', 'Anna'): [('Francisco', 'daughter', 'Wilhelmina'), ('Wilhelmina', 'sister', 'Anna')]}]
['brother', 'daughter', 'sister']