[Theresa] called her daughter [Belva] to ask her to do her a favor. [Belva] was n't available so she called [Belva]'s sister [Rosetta] who answered right away.
('Rosetta', 'Theresa')
[Theresa] called her daughter [Belva] to ask her to do her a favor. [Belva] was n't available so she called [Belva]'s sister [Rosetta] who answered right away.
[{('Rosetta', 'mother', 'Theresa'): [('Rosetta', 'sister', 'Belva'), ('Belva', 'mother', 'Theresa')]}]
['sister', 'mother']