[Louis] was talking to his brother [Antonio], when suddenly [Antonio] got a call from his son [Aaron]. [Tracy] went to the park with her son [Aaron] and after the park they went to visit [Harold] who is [Tracy] father.
('Harold', 'Louis')
[Tracy] went to the park with her son [Aaron] and after the park they went to visit [Harold] who is [Tracy] father. [Louis] was talking to his brother [Antonio], when suddenly [Antonio] got a call from his son [Aaron].
[{('Harold', 'son', 'Louis'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'brother', 'Louis')]}, {('Tracy', 'brother', 'Louis'): [('Tracy', 'son', 'Aaron'), ('Aaron', 'uncle', 'Louis')]}, {('Aaron', 'uncle', 'Louis'): [('Aaron', 'father', 'Antonio'), ('Antonio', 'brother', 'Louis')]}]
['daughter', 'son', 'father', 'brother']