[Aaron]'s dad [Antonio] is the CEO of the company. [Antonio] is so proud of his son. [Aaron] is the son's name. [Antonio] went to the park with his father, [Harold]. [Erika] invited her father [Antonio] to dinner.
('Harold', 'Erika')
[Antonio] went to the park with his father, [Harold]. [Antonio] is so proud of his son. [Aaron] is the son's name. [Aaron]'s dad [Antonio] is the CEO of the company. [Erika] invited her father [Antonio] to dinner.
[{('Harold', 'granddaughter', 'Erika'): [('Harold', 'grandson', 'Aaron'), ('Aaron', 'sister', 'Erika')]}, {('Harold', 'grandson', 'Aaron'): [('Harold', 'son', 'Antonio'), ('Antonio', 'son', 'Aaron')]}, {('Aaron', 'sister', 'Erika'): [('Aaron', 'father', 'Antonio'), ('Antonio', 'daughter', 'Erika')]}]
['son', 'son', 'father', 'daughter']