[Marie] took her sister [Tracy] to the doctor. [Marie]'s daughter [Elsie] was worried about the prognosis. [Harold] was present in the delivery room when his daughter [Beverly] was born, but when his daughter [Tracy] was born he was too sick.
('Elsie', 'Beverly')
[Marie] took her sister [Tracy] to the doctor. [Marie]'s daughter [Elsie] was worried about the prognosis. [Harold] was present in the delivery room when his daughter [Beverly] was born, but when his daughter [Tracy] was born he was too sick.
[{('Elsie', 'aunt', 'Beverly'): [('Elsie', 'mother', 'Marie'), ('Marie', 'sister', 'Beverly')]}, {('Marie', 'sister', 'Beverly'): [('Marie', 'sister', 'Tracy'), ('Tracy', 'sister', 'Beverly')]}, {('Tracy', 'sister', 'Beverly'): [('Tracy', 'father', 'Harold'), ('Harold', 'daughter', 'Beverly')]}]
['mother', 'sister', 'father', 'daughter']