[Beverly] invited her father [Harold] to her high school father daughter dance. [Pedro] bought flowers for his wife [Dorothy]. [James]'s father [Pedro] and grandfather [Harold] went to the park to play chess.
('Dorothy', 'Beverly')
[Pedro] bought flowers for his wife [Dorothy]. [James]'s father [Pedro] and grandfather [Harold] went to the park to play chess. [Beverly] invited her father [Harold] to her high school father daughter dance.
[{('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'father', 'Harold'), ('Harold', 'daughter', 'Beverly')]}, {('Dorothy', 'father', 'Harold'): [('Dorothy', 'son', 'James'), ('James', 'grandfather', 'Harold')]}, {('Dorothy', 'son', 'James'): [('Dorothy', 'husband', 'Pedro'), ('Pedro', 'son', 'James')]}]
['husband', 'son', 'grandfather', 'daughter']