[Nettie] took her sister [Jennifer] out for dinner to celebrate her birthday. [Nettie] went to the park to feed birds with her grandfather [Harold]. [Beverly] liked to take her son [Samuel] and his sister [Jennifer] out to the park whenever she had the time.
('Beverly', 'Harold')
[Beverly] liked to take her son [Samuel] and his sister [Jennifer] out to the park whenever she had the time. [Nettie] took her sister [Jennifer] out for dinner to celebrate her birthday. [Nettie] went to the park to feed birds with her grandfather [Harold].
[{('Beverly', 'father', 'Harold'): [('Beverly', 'daughter', 'Nettie'), ('Nettie', 'grandfather', 'Harold')]}, {('Beverly', 'daughter', 'Nettie'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'sister', 'Nettie')]}, {('Samuel', 'sister', 'Nettie'): [('Samuel', 'sister', 'Jennifer'), ('Jennifer', 'sister', 'Nettie')]}]
['son', 'sister', 'sister', 'grandfather']