[Aaron] asked his father, [Antonio] to help him build a birdhouse. [Antonio] is a man with a son named [Harold]. [Dorothy] needed to go to the store. [Dorothy] asked her sister [Tracy] for a ride. [Aaron]'s mother, [Tracy], was calling him for dinner.
('Harold', 'Dorothy')
[Antonio] is a man with a son named [Harold]. [Aaron] asked his father, [Antonio] to help him build a birdhouse. [Aaron]'s mother, [Tracy], was calling him for dinner. [Dorothy] needed to go to the store. [Dorothy] asked her sister [Tracy] for a ride.
[{('Harold', 'daughter', 'Dorothy'): [('Harold', 'son', 'Antonio'), ('Antonio', 'sister', 'Dorothy')]}, {('Antonio', 'sister', 'Dorothy'): [('Antonio', 'son', 'Aaron'), ('Aaron', 'aunt', 'Dorothy')]}, {('Aaron', 'aunt', 'Dorothy'): [('Aaron', 'mother', 'Tracy'), ('Tracy', 'sister', 'Dorothy')]}]
['son', 'son', 'mother', 'sister']