[Roberto] wanted to buy a great gift for his mom, [Dorothy], so he asked her brother, [Antonio], for advice. [Marie] invited her nephew [Roberto] over for dinner one day. They also watched a movie. [Antonio] asked his father, [Harold] to help him build a birdhouse.
('Harold', 'Marie')
[Antonio] asked his father, [Harold] to help him build a birdhouse. [Roberto] wanted to buy a great gift for his mom, [Dorothy], so he asked her brother, [Antonio], for advice. [Marie] invited her nephew [Roberto] over for dinner one day. They also watched a movie.
[{('Harold', 'daughter', 'Marie'): [('Harold', 'daughter', 'Dorothy'), ('Dorothy', 'sister', 'Marie')]}, {('Harold', 'daughter', 'Dorothy'): [('Harold', 'son', 'Antonio'), ('Antonio', 'sister', 'Dorothy')]}, {('Dorothy', 'sister', 'Marie'): [('Dorothy', 'son', 'Roberto'), ('Roberto', 'aunt', 'Marie')]}]
['son', 'sister', 'son', 'aunt']