[Rosetta] and her sister [Belva] take a trip to Montana. [Belva]'s grandmother [Ashley] has a vacation home there.
('Ashley', 'Rosetta')
[Rosetta] and her sister [Belva] take a trip to Montana. [Belva]'s grandmother [Ashley] has a vacation home there.
[{('Ashley', 'granddaughter', 'Rosetta'): [('Ashley', 'granddaughter', 'Belva'), ('Belva', 'sister', 'Rosetta')]}]
['granddaughter', 'sister']