[Tracy] was unhappy with her son, [Kevin], and his grades. She enlisted a tutor to help him. [Antonio] was crying at his brother [Louis]'s funeral. His son, [Kevin], was there to comfort him. [Louis] and his sister [Marie] went to the park.
('Tracy', 'Marie')
[Tracy] was unhappy with her son, [Kevin], and his grades. She enlisted a tutor to help him. [Antonio] was crying at his brother [Louis]'s funeral. His son, [Kevin], was there to comfort him. [Louis] and his sister [Marie] went to the park.
[{('Tracy', 'sister', 'Marie'): [('Tracy', 'brother', 'Louis'), ('Louis', 'sister', 'Marie')]}, {('Tracy', 'brother', 'Louis'): [('Tracy', 'son', 'Kevin'), ('Kevin', 'uncle', 'Louis')]}, {('Kevin', 'uncle', 'Louis'): [('Kevin', 'father', 'Antonio'), ('Antonio', 'brother', 'Louis')]}]
['son', 'father', 'brother', 'sister']