[Evangeline] took her mother, [David], out for lunch. [Lynn] went shopping at the mall with her mother [Frances] [Lynn] was sewing a sweater for her sister [David].
('Evangeline', 'Frances')
[Evangeline] took her mother, [David], out for lunch. [Lynn] was sewing a sweater for her sister [David]. [Lynn] went shopping at the mall with her mother [Frances]
[{('Evangeline', 'grandmother', 'Frances'): [('Evangeline', 'mother', 'David'), ('David', 'mother', 'Frances')]}, {('David', 'mother', 'Frances'): [('David', 'sister', 'Lynn'), ('Lynn', 'mother', 'Frances')]}]
['mother', 'sister', 'mother']