[Michelle] took her son [Keith] to the park for the afternoon. [Michelle] was eager to see her niece, [Crystal]. They had n't seen each other in ages [Helen]'s daughter, [Crystal], just graduated high school.
('Helen', 'Keith')
[Helen]'s daughter, [Crystal], just graduated high school. [Michelle] was eager to see her niece, [Crystal]. They had n't seen each other in ages [Michelle] took her son [Keith] to the park for the afternoon.
[{('Helen', 'nephew', 'Keith'): [('Helen', 'sister', 'Michelle'), ('Michelle', 'son', 'Keith')]}, {('Helen', 'sister', 'Michelle'): [('Helen', 'daughter', 'Crystal'), ('Crystal', 'aunt', 'Michelle')]}]