[James] went to visit his sister [Belva] to the hospital last week. [Dale] read a bedtime story to his daughter [Belva].
('James', 'Dale')
[James] went to visit his sister [Belva] to the hospital last week. [Dale] read a bedtime story to his daughter [Belva].
[{('James', 'father', 'Dale'): [('James', 'sister', 'Belva'), ('Belva', 'father', 'Dale')]}]
['sister', 'father']