[David] took her daughter, [Marie], to lunch. [Cindy]'s sister, [David], recently started acting. [Cindy]'s father is named [James].
('Marie', 'James')
[David] took her daughter, [Marie], to lunch. [Cindy]'s sister, [David], recently started acting. [Cindy]'s father is named [James].
[{('Marie', 'grandfather', 'James'): [('Marie', 'mother', 'David'), ('David', 'father', 'James')]}, {('David', 'father', 'James'): [('David', 'sister', 'Cindy'), ('Cindy', 'father', 'James')]}]
['mother', 'sister', 'father']