[Antonio] and [Pedro] went to visit their father, [Harold]. [Antonio] brought his young daughter, [Emma], along. [Beverly] called her brother, [Pedro], up to see how he was doing after surgery.
('Beverly', 'Emma')
[Beverly] called her brother, [Pedro], up to see how he was doing after surgery. [Antonio] and [Pedro] went to visit their father, [Harold]. [Antonio] brought his young daughter, [Emma], along.
[{('Beverly', 'niece', 'Emma'): [('Beverly', 'brother', 'Antonio'), ('Antonio', 'daughter', 'Emma')]}, {('Beverly', 'brother', 'Antonio'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'brother', 'Antonio')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'father', 'Harold'), ('Harold', 'son', 'Antonio')]}]
['brother', 'father', 'son', 'daughter']