[Francisco] took his daughters [Wilhelmina] and [Anna] to the park last weekend. [Wilhelmina]'s grandfather [James] wanted to come, but he was too tired.
('James', 'Anna')
[Francisco] took his daughters [Wilhelmina] and [Anna] to the park last weekend. [Wilhelmina]'s grandfather [James] wanted to come, but he was too tired.
[{('James', 'granddaughter', 'Anna'): [('James', 'granddaughter', 'Wilhelmina'), ('Wilhelmina', 'sister', 'Anna')]}, {('Wilhelmina', 'sister', 'Anna'): [('Wilhelmina', 'father', 'Francisco'), ('Francisco', 'daughter', 'Anna')]}]
['granddaughter', 'father', 'daughter']