[James] has a granddaughter named [Tina]. [Lena] is taking he son [Theodore] and her daughter [Tina] to the park.
('James', 'Theodore')
[James] has a granddaughter named [Tina]. [Lena] is taking he son [Theodore] and her daughter [Tina] to the park.
[{('James', 'grandson', 'Theodore'): [('James', 'granddaughter', 'Tina'), ('Tina', 'brother', 'Theodore')]}, {('Tina', 'brother', 'Theodore'): [('Tina', 'mother', 'Lena'), ('Lena', 'son', 'Theodore')]}]
['granddaughter', 'mother', 'son']