[Lena] and her daughter [Pamela] went to church. They were both very religious. [Tina] is a woman with a sister named [Pamela]. [Mildred] took her mother, [Lena], out for lunch.
('Mildred', 'Tina')
[Mildred] took her mother, [Lena], out for lunch. [Lena] and her daughter [Pamela] went to church. They were both very religious. [Tina] is a woman with a sister named [Pamela].
[{('Mildred', 'sister', 'Tina'): [('Mildred', 'sister', 'Pamela'), ('Pamela', 'sister', 'Tina')]}, {('Mildred', 'sister', 'Pamela'): [('Mildred', 'mother', 'Lena'), ('Lena', 'daughter', 'Pamela')]}]
['mother', 'daughter', 'sister']