[Marie] went out to dinner with her sister [Tracy], and [Tracy]'s daughter [Erika]. [Antonio]'s dad [Harold] is the CEO of the company. [Antonio] visited his daughter, [Erika], for Christmas this year.
('Marie', 'Harold')
[Marie] went out to dinner with her sister [Tracy], and [Tracy]'s daughter [Erika]. [Antonio] visited his daughter, [Erika], for Christmas this year. [Antonio]'s dad [Harold] is the CEO of the company.
[{('Marie', 'father', 'Harold'): [('Marie', 'sister', 'Tracy'), ('Tracy', 'father', 'Harold')]}, {('Tracy', 'father', 'Harold'): [('Tracy', 'daughter', 'Erika'), ('Erika', 'grandfather', 'Harold')]}, {('Erika', 'grandfather', 'Harold'): [('Erika', 'father', 'Antonio'), ('Antonio', 'father', 'Harold')]}]
['sister', 'daughter', 'father', 'father']