[Wesley] took his daughter [Martha] to see a movie. [Martha]'s sister [Pamela] was sad because she was grounded and was not allowed to go. [Wesley] bought a book for his father [James].
('James', 'Pamela')
[Wesley] bought a book for his father [James]. [Wesley] took his daughter [Martha] to see a movie. [Martha]'s sister [Pamela] was sad because she was grounded and was not allowed to go.
[{('James', 'granddaughter', 'Pamela'): [('James', 'son', 'Wesley'), ('Wesley', 'daughter', 'Pamela')]}, {('Wesley', 'daughter', 'Pamela'): [('Wesley', 'daughter', 'Martha'), ('Martha', 'sister', 'Pamela')]}]
['son', 'daughter', 'sister']