[Beverly] and her brother [Pedro] were having a wonderful time at Disneyland. [Pedro]'s brother, [Antonio], brought the car over to help him. [Emma] could n't wait for the surprise birthday party that she was throwing for her brother [Bernardo] next weekend. [Bernardo] went to the park with his father, [Antonio].
('Beverly', 'Emma')
[Beverly] and her brother [Pedro] were having a wonderful time at Disneyland. [Pedro]'s brother, [Antonio], brought the car over to help him. [Bernardo] went to the park with his father, [Antonio]. [Emma] could n't wait for the surprise birthday party that she was throwing for her brother [Bernardo] next weekend.
[{('Beverly', 'niece', 'Emma'): [('Beverly', 'brother', 'Antonio'), ('Antonio', 'daughter', 'Emma')]}, {('Beverly', 'brother', 'Antonio'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'brother', 'Antonio')]}, {('Antonio', 'daughter', 'Emma'): [('Antonio', 'son', 'Bernardo'), ('Bernardo', 'sister', 'Emma')]}]
['brother', 'brother', 'son', 'sister']