[Wesley] walked his daughters [Martha] and [Pamela] to school. [Lena] and her daughter [Pamela] are entering the competition together.
('Lena', 'Martha')
[Lena] and her daughter [Pamela] are entering the competition together. [Wesley] walked his daughters [Martha] and [Pamela] to school.
[{('Lena', 'daughter', 'Martha'): [('Lena', 'daughter', 'Pamela'), ('Pamela', 'sister', 'Martha')]}, {('Pamela', 'sister', 'Martha'): [('Pamela', 'father', 'Wesley'), ('Wesley', 'daughter', 'Martha')]}]
['daughter', 'father', 'daughter']