[Antonio] went to the game with his son [Kevin] and his father [Harold] [Dorothy] was eager to see her niece, [Emma]. They had n't seen each other in ages [Kevin]'s sister, [Emma], bought movie tickets at a discount rate.
('Harold', 'Dorothy')
[Antonio] went to the game with his son [Kevin] and his father [Harold] [Kevin]'s sister, [Emma], bought movie tickets at a discount rate. [Dorothy] was eager to see her niece, [Emma]. They had n't seen each other in ages
[{('Harold', 'daughter', 'Dorothy'): [('Harold', 'son', 'Antonio'), ('Antonio', 'sister', 'Dorothy')]}, {('Antonio', 'sister', 'Dorothy'): [('Antonio', 'daughter', 'Emma'), ('Emma', 'aunt', 'Dorothy')]}, {('Antonio', 'daughter', 'Emma'): [('Antonio', 'son', 'Kevin'), ('Kevin', 'sister', 'Emma')]}]
['son', 'son', 'sister', 'aunt']