[Theresa]'s daughter [Belva] fell down the stairs. [Theresa] called her father [Clarence] for help.
('Clarence', 'Belva')
[Theresa]'s daughter [Belva] fell down the stairs. [Theresa] called her father [Clarence] for help.
[{('Clarence', 'granddaughter', 'Belva'): [('Clarence', 'daughter', 'Theresa'), ('Theresa', 'daughter', 'Belva')]}]
['daughter', 'daughter']