[James] took his wife [Frances] and grandson [Thomas] to a bakery. [Thomas]'s sister [Dolores] does n't like sweets and did n't go.
('Frances', 'Dolores')
[James] took his wife [Frances] and grandson [Thomas] to a bakery. [Thomas]'s sister [Dolores] does n't like sweets and did n't go.
[{('Frances', 'granddaughter', 'Dolores'): [('Frances', 'husband', 'James'), ('James', 'granddaughter', 'Dolores')]}, {('James', 'granddaughter', 'Dolores'): [('James', 'grandson', 'Thomas'), ('Thomas', 'sister', 'Dolores')]}]
['husband', 'grandson', 'sister']