[Tina] has a lovely sister named [Pamela] and [Tina]'s mother is [Lena] [Mildred] loved her mother [Lena]. She was heartbroken when she heard [Lena] had suddenly passed away.
('Mildred', 'Pamela')
[Mildred] loved her mother [Lena]. She was heartbroken when she heard [Lena] had suddenly passed away. [Tina] has a lovely sister named [Pamela] and [Tina]'s mother is [Lena]
[{('Mildred', 'sister', 'Pamela'): [('Mildred', 'sister', 'Tina'), ('Tina', 'sister', 'Pamela')]}, {('Mildred', 'sister', 'Tina'): [('Mildred', 'mother', 'Lena'), ('Lena', 'daughter', 'Tina')]}]
['mother', 'daughter', 'sister']