[Lena] and her daughter [Martha] are entering the competition together. [Frances]'s daughter, [David], just graduated high school. [Frances] is a girl with a grandmother named [Martha].
('Lena', 'David')
[Lena] and her daughter [Martha] are entering the competition together. [Frances] is a girl with a grandmother named [Martha]. [Frances]'s daughter, [David], just graduated high school.
[{('Lena', 'sister', 'David'): [('Lena', 'mother', 'Frances'), ('Frances', 'daughter', 'David')]}, {('Lena', 'mother', 'Frances'): [('Lena', 'daughter', 'Martha'), ('Martha', 'grandmother', 'Frances')]}]
['daughter', 'grandmother', 'daughter']