[Wesley] took his son [Charles] to soccer practice. [Charles] often goes out for lunch with his sister, [Pamela]. [Pamela] apologized to her father in law Rod for the accident. Rod's son [Theodore] had backed into his car in the driveway when he was attempting to pull out.
('Wesley', 'Theodore')
[Wesley] took his son [Charles] to soccer practice. [Charles] often goes out for lunch with his sister, [Pamela]. [Pamela] apologized to her father in law Rod for the accident. Rod's son [Theodore] had backed into his car in the driveway when he was attempting to pull out.
[{('Wesley', 'son-in-law', 'Theodore'): [('Wesley', 'daughter', 'Pamela'), ('Pamela', 'husband', 'Theodore')]}, {('Wesley', 'daughter', 'Pamela'): [('Wesley', 'son', 'Charles'), ('Charles', 'sister', 'Pamela')]}]
['son', 'sister', 'husband']