[Lena] and her daughter [Pamela] went to church. They were both very religious. [Mildred] took her sister [Pamela] out for dinner to celebrate her birthday. [Lynn] was eager to see her niece, [Mildred]. They had n't seen each other in ages
('Lena', 'Lynn')
[Lena] and her daughter [Pamela] went to church. They were both very religious. [Mildred] took her sister [Pamela] out for dinner to celebrate her birthday. [Lynn] was eager to see her niece, [Mildred]. They had n't seen each other in ages
[{('Lena', 'sister', 'Lynn'): [('Lena', 'daughter', 'Mildred'), ('Mildred', 'aunt', 'Lynn')]}, {('Lena', 'daughter', 'Mildred'): [('Lena', 'daughter', 'Pamela'), ('Pamela', 'sister', 'Mildred')]}]
['daughter', 'sister', 'aunt']