[James] loves picking out new toys for his grandson [Chris]. [Pamela] was ill, that's why she could n't go to school. She was with her mother [Wesley] all day. [Wesley] bought a book for his son [Chris].
('James', 'Pamela')
[James] loves picking out new toys for his grandson [Chris]. [Wesley] bought a book for his son [Chris]. [Pamela] was ill, that's why she could n't go to school. She was with her mother [Wesley] all day.
[{('James', 'granddaughter', 'Pamela'): [('James', 'grandson', 'Chris'), ('Chris', 'sister', 'Pamela')]}, {('Chris', 'sister', 'Pamela'): [('Chris', 'father', 'Wesley'), ('Wesley', 'daughter', 'Pamela')]}]
['grandson', 'father', 'daughter']