[Antonio] is so proud of his son. [Aaron] is the son's name. [Harold] helped his grandson [Kevin] cut the lawn for [Kevin]'s mother, [Tracy]. [Aaron] loved his mother, [Tracy], very much.
('Antonio', 'Harold')
[Antonio] is so proud of his son. [Aaron] is the son's name. [Aaron] loved his mother, [Tracy], very much. [Harold] helped his grandson [Kevin] cut the lawn for [Kevin]'s mother, [Tracy].
[{('Antonio', 'father', 'Harold'): [('Antonio', 'son', 'Aaron'), ('Aaron', 'grandfather', 'Harold')]}, {('Aaron', 'grandfather', 'Harold'): [('Aaron', 'brother', 'Kevin'), ('Kevin', 'grandfather', 'Harold')]}, {('Aaron', 'brother', 'Kevin'): [('Aaron', 'mother', 'Tracy'), ('Tracy', 'son', 'Kevin')]}]
['son', 'mother', 'son', 'grandfather']