[Johnson] asked his father, [Hugh] to help him build a birdhouse. [Lynn] took her nephew, [Johnson], to go feed the ducks at the park. [Dolores] and her mother [Lynn] attended a play at the theater.
('Hugh', 'Dolores')
[Johnson] asked his father, [Hugh] to help him build a birdhouse. [Lynn] took her nephew, [Johnson], to go feed the ducks at the park. [Dolores] and her mother [Lynn] attended a play at the theater.
[{('Hugh', 'niece', 'Dolores'): [('Hugh', 'sister', 'Lynn'), ('Lynn', 'daughter', 'Dolores')]}, {('Hugh', 'sister', 'Lynn'): [('Hugh', 'son', 'Johnson'), ('Johnson', 'aunt', 'Lynn')]}]
['son', 'aunt', 'daughter']