[Frances] and her granddaughter [Carrie] went to the beach. [Natasha], [Carrie]'s sister, came with them, but stayed in the shade because she burns easily. [James]'s wife, [Frances], went to a gas station to check on the gas prices
('James', 'Natasha')
[James]'s wife, [Frances], went to a gas station to check on the gas prices [Frances] and her granddaughter [Carrie] went to the beach. [Natasha], [Carrie]'s sister, came with them, but stayed in the shade because she burns easily.
[{('James', 'granddaughter', 'Natasha'): [('James', 'wife', 'Frances'), ('Frances', 'granddaughter', 'Natasha')]}, {('Frances', 'granddaughter', 'Natasha'): [('Frances', 'granddaughter', 'Carrie'), ('Carrie', 'sister', 'Natasha')]}]
['wife', 'granddaughter', 'sister']