[Wesley] is frustrated teaching his son how to drive. His son is [Chris]. [Lena] brought her son [Chris] and her father [James] to the farmer's market.
('Wesley', 'James')
[Wesley] is frustrated teaching his son how to drive. His son is [Chris]. [Lena] brought her son [Chris] and her father [James] to the farmer's market.
[{('Wesley', 'father', 'James'): [('Wesley', 'son', 'Chris'), ('Chris', 'grandfather', 'James')]}, {('Chris', 'grandfather', 'James'): [('Chris', 'mother', 'Lena'), ('Lena', 'father', 'James')]}]
['son', 'mother', 'father']