[Lynn] was eager to see her niece, [Tina]. They had n't seen each other in ages [Tina] and her mother [Lena] went dress shopping on Saturday. [Lena] took her sister [Cindy] out for dinner to celebrate her birthday.
('Cindy', 'Lynn')
[Lena] took her sister [Cindy] out for dinner to celebrate her birthday. [Tina] and her mother [Lena] went dress shopping on Saturday. [Lynn] was eager to see her niece, [Tina]. They had n't seen each other in ages
[{('Cindy', 'sister', 'Lynn'): [('Cindy', 'sister', 'Lena'), ('Lena', 'sister', 'Lynn')]}, {('Lena', 'sister', 'Lynn'): [('Lena', 'daughter', 'Tina'), ('Tina', 'aunt', 'Lynn')]}]
['sister', 'daughter', 'aunt']