[Wilhelmina] paid for her sister [Anna] and her father [Francisco] to go on a cruise to the Bahamas last spring. [Lena] was playing in the sandbox with her brother [Francisco].
('Lena', 'Anna')
[Lena] was playing in the sandbox with her brother [Francisco]. [Wilhelmina] paid for her sister [Anna] and her father [Francisco] to go on a cruise to the Bahamas last spring.
[{('Lena', 'niece', 'Anna'): [('Lena', 'brother', 'Francisco'), ('Francisco', 'daughter', 'Anna')]}, {('Francisco', 'daughter', 'Anna'): [('Francisco', 'daughter', 'Wilhelmina'), ('Wilhelmina', 'sister', 'Anna')]}]
['brother', 'daughter', 'sister']