[Robert] and his brother [Antonio] watch [Robert]'s daughter [Angelica] in her school play. [Angelica] went to visit her aunt, [Dorothy], who's birthday was yesterday. [Beverly] went on a vacation with her brother [Antonio].
('Beverly', 'Dorothy')
[Beverly] went on a vacation with her brother [Antonio]. [Robert] and his brother [Antonio] watch [Robert]'s daughter [Angelica] in her school play. [Angelica] went to visit her aunt, [Dorothy], who's birthday was yesterday.
[{('Beverly', 'sister', 'Dorothy'): [('Beverly', 'brother', 'Robert'), ('Robert', 'sister', 'Dorothy')]}, {('Beverly', 'brother', 'Robert'): [('Beverly', 'brother', 'Antonio'), ('Antonio', 'brother', 'Robert')]}, {('Robert', 'sister', 'Dorothy'): [('Robert', 'daughter', 'Angelica'), ('Angelica', 'aunt', 'Dorothy')]}]
['brother', 'brother', 'daughter', 'aunt']