[Lena]'s mom, [Pamela] got ready for the party. [Frances] took her daughter [Lena] to see her very first ballet performance. [Frances]'s daughter, [David], just graduated high school.
('Pamela', 'David')
[Lena]'s mom, [Pamela] got ready for the party. [Frances] took her daughter [Lena] to see her very first ballet performance. [Frances]'s daughter, [David], just graduated high school.
[{('Pamela', 'aunt', 'David'): [('Pamela', 'mother', 'Lena'), ('Lena', 'sister', 'David')]}, {('Lena', 'sister', 'David'): [('Lena', 'mother', 'Frances'), ('Frances', 'daughter', 'David')]}]
['mother', 'mother', 'daughter']