[Belva] and her mother [Theresa] had a coffee date, and [Belva]'s sister [June] showed up in the middle of it.
('Theresa', 'June')
[Belva] and her mother [Theresa] had a coffee date, and [Belva]'s sister [June] showed up in the middle of it.
[{('Theresa', 'daughter', 'June'): [('Theresa', 'daughter', 'Belva'), ('Belva', 'sister', 'June')]}]
['daughter', 'sister']