[Martha] was sewing a sweater for her sister [Pamela]. [Wesley] took his mother [Frances] and his daughter [Pamela] to the movies Saturday.
('Frances', 'Martha')
[Wesley] took his mother [Frances] and his daughter [Pamela] to the movies Saturday. [Martha] was sewing a sweater for her sister [Pamela].
[{('Frances', 'granddaughter', 'Martha'): [('Frances', 'son', 'Wesley'), ('Wesley', 'daughter', 'Martha')]}, {('Wesley', 'daughter', 'Martha'): [('Wesley', 'daughter', 'Pamela'), ('Pamela', 'sister', 'Martha')]}]
['son', 'daughter', 'sister']