[Harold] was so proud that his son [Pedro] won the science fair! [Annie] invited her father [Pedro] to her high school father daughter dance. [Marie]'s sister, [Beverly], recently started acting. [Harold] and his daughter [Marie] like to read poems together.
('Beverly', 'Annie')
[Marie]'s sister, [Beverly], recently started acting. [Harold] and his daughter [Marie] like to read poems together. [Harold] was so proud that his son [Pedro] won the science fair! [Annie] invited her father [Pedro] to her high school father daughter dance.
[{('Beverly', 'niece', 'Annie'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Annie')]}, {('Beverly', 'brother', 'Pedro'): [('Beverly', 'father', 'Harold'), ('Harold', 'son', 'Pedro')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'sister', 'Marie'), ('Marie', 'father', 'Harold')]}]
['sister', 'father', 'son', 'daughter']