[Harold] loves to go fishing with his granddaughter [Erika]. Although [Erika]'s mother, [Tracy], prefers that she stays at home. [Beverly] went car shopping with her brother [Antonio]. [Harold] was so proud that his son [Antonio] won the science fair!
('Tracy', 'Beverly')
[Harold] loves to go fishing with his granddaughter [Erika]. Although [Erika]'s mother, [Tracy], prefers that she stays at home. [Harold] was so proud that his son [Antonio] won the science fair! [Beverly] went car shopping with her brother [Antonio].
[{('Tracy', 'sister', 'Beverly'): [('Tracy', 'father', 'Harold'), ('Harold', 'daughter', 'Beverly')]}, {('Harold', 'daughter', 'Beverly'): [('Harold', 'son', 'Antonio'), ('Antonio', 'sister', 'Beverly')]}, {('Tracy', 'father', 'Harold'): [('Tracy', 'daughter', 'Erika'), ('Erika', 'grandfather', 'Harold')]}]
['daughter', 'grandfather', 'son', 'sister']