[Charles]'s mother, [Lena], was too busy to play with him. She was helping her daughter, [Pamela], with her homework. [James] enjoyed going fishing with his grandson [Charles] during the weekend.
('James', 'Pamela')
[James] enjoyed going fishing with his grandson [Charles] during the weekend. [Charles]'s mother, [Lena], was too busy to play with him. She was helping her daughter, [Pamela], with her homework.
[{('James', 'granddaughter', 'Pamela'): [('James', 'grandson', 'Charles'), ('Charles', 'sister', 'Pamela')]}, {('Charles', 'sister', 'Pamela'): [('Charles', 'mother', 'Lena'), ('Lena', 'daughter', 'Pamela')]}]
['grandson', 'mother', 'daughter']