[Clarence] and his daughter [Theresa] went to the store. [Theresa]'s child, [Charlotte] was already there waiting for them.
('Charlotte', 'Clarence')
[Clarence] and his daughter [Theresa] went to the store. [Theresa]'s child, [Charlotte] was already there waiting for them.
[{('Charlotte', 'grandfather', 'Clarence'): [('Charlotte', 'mother', 'Theresa'), ('Theresa', 'father', 'Clarence')]}]
['mother', 'father']