[Frances] picked up her daughter [Lena] from school early. [Tina] took her mother, [Lena], out for lunch. [Tina] asked her father [Wesley] if she could spend the night with a friend and he said okay.
('Wesley', 'Frances')
[Tina] asked her father [Wesley] if she could spend the night with a friend and he said okay. [Tina] took her mother, [Lena], out for lunch. [Frances] picked up her daughter [Lena] from school early.
[{('Wesley', 'mother', 'Frances'): [('Wesley', 'daughter', 'Tina'), ('Tina', 'grandmother', 'Frances')]}, {('Tina', 'grandmother', 'Frances'): [('Tina', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}]
['daughter', 'mother', 'mother']