[David] and her sister [Lynn] went to visit their father, [James]. [James] was n't there, but his wife, [Frances] was, and she told them [James] would be back in an hour.
('Frances', 'David')
[David] and her sister [Lynn] went to visit their father, [James]. [James] was n't there, but his wife, [Frances] was, and she told them [James] would be back in an hour.
[{('Frances', 'daughter', 'David'): [('Frances', 'husband', 'James'), ('James', 'daughter', 'David')]}, {('James', 'daughter', 'David'): [('James', 'daughter', 'Lynn'), ('Lynn', 'sister', 'David')]}]
['husband', 'daughter', 'sister']