[David] and her daughter [Marie] went out to dinner. [Hugh] and his daugter [Marie] decide to bring flowers to his mother [Frances].
('David', 'Frances')
[David] and her daughter [Marie] went out to dinner. [Hugh] and his daugter [Marie] decide to bring flowers to his mother [Frances].
[{('David', 'mother', 'Frances'): [('David', 'daughter', 'Marie'), ('Marie', 'grandmother', 'Frances')]}, {('Marie', 'grandmother', 'Frances'): [('Marie', 'father', 'Hugh'), ('Hugh', 'mother', 'Frances')]}]
['daughter', 'father', 'mother']