[Lena] took her daughter [Pamela] to the store to find her some new boots for the cold winter weather. [Lena] abandoned her son, [Chris]. [Chris]'s grandmother, [Frances], ended up raising him as if he were her own child.
('Pamela', 'Frances')
[Lena] took her daughter [Pamela] to the store to find her some new boots for the cold winter weather. [Lena] abandoned her son, [Chris]. [Chris]'s grandmother, [Frances], ended up raising him as if he were her own child.
[{('Pamela', 'grandmother', 'Frances'): [('Pamela', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}, {('Lena', 'mother', 'Frances'): [('Lena', 'son', 'Chris'), ('Chris', 'grandmother', 'Frances')]}]
['mother', 'son', 'grandmother']