[Beverly] and her father [Harold] went to the park. They had a wonderful time there, feeding the ducks. [Jennifer] and her sister [Karen] played golf together. [Jennifer] won easily. [Beverly] made a pie for her daughter [Nettie]. [Nettie]'s sister [Jennifer] really enjoyed it.
('Karen', 'Harold')
[Jennifer] and her sister [Karen] played golf together. [Jennifer] won easily. [Beverly] made a pie for her daughter [Nettie]. [Nettie]'s sister [Jennifer] really enjoyed it. [Beverly] and her father [Harold] went to the park. They had a wonderful time there, feeding the ducks.
[{('Karen', 'grandfather', 'Harold'): [('Karen', 'sister', 'Jennifer'), ('Jennifer', 'grandfather', 'Harold')]}, {('Jennifer', 'grandfather', 'Harold'): [('Jennifer', 'mother', 'Beverly'), ('Beverly', 'father', 'Harold')]}, {('Jennifer', 'mother', 'Beverly'): [('Jennifer', 'sister', 'Nettie'), ('Nettie', 'mother', 'Beverly')]}]
['sister', 'sister', 'mother', 'father']