[Tracy] took her son, [Bernardo], to the movie theater for his birthday. [Dorothy] loved to play dress-up with her daughter [Cheryl]. [Dorothy] needed to go to the store. [Dorothy] asked her sister [Beverly] for a ride. [Beverly] and her nephew [Bernardo] played the piano together.
('Tracy', 'Cheryl')
[Tracy] took her son, [Bernardo], to the movie theater for his birthday. [Beverly] and her nephew [Bernardo] played the piano together. [Dorothy] needed to go to the store. [Dorothy] asked her sister [Beverly] for a ride. [Dorothy] loved to play dress-up with her daughter [Cheryl].
[{('Tracy', 'niece', 'Cheryl'): [('Tracy', 'sister', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Tracy', 'sister', 'Dorothy'): [('Tracy', 'sister', 'Beverly'), ('Beverly', 'sister', 'Dorothy')]}, {('Tracy', 'sister', 'Beverly'): [('Tracy', 'son', 'Bernardo'), ('Bernardo', 'aunt', 'Beverly')]}]
['son', 'aunt', 'sister', 'daughter']