[Harold] is the loving father of his wonderful child [Tracy]. [Tracy] loves [Harold]. [Antonio] met his son [Aaron] for dinner. Unfortunately [Antonio]'s son [Bernardo] could not attend. [Aaron] sent flowers to his mother [Tracy] for Mother's Day.
('Bernardo', 'Harold')
[Antonio] met his son [Aaron] for dinner. Unfortunately [Antonio]'s son [Bernardo] could not attend. [Aaron] sent flowers to his mother [Tracy] for Mother's Day. [Harold] is the loving father of his wonderful child [Tracy]. [Tracy] loves [Harold].
[{('Bernardo', 'grandfather', 'Harold'): [('Bernardo', 'brother', 'Aaron'), ('Aaron', 'grandfather', 'Harold')]}, {('Aaron', 'grandfather', 'Harold'): [('Aaron', 'mother', 'Tracy'), ('Tracy', 'father', 'Harold')]}, {('Bernardo', 'brother', 'Aaron'): [('Bernardo', 'father', 'Antonio'), ('Antonio', 'son', 'Aaron')]}]
['father', 'son', 'mother', 'father']