[Pedro] borrowed some money from his sister [Beverly]. [Tracy] and [Beverly] are siblings. [Tracy] went to [Harold], her father. [Heather] and her father [Pedro] went to the park. They had a wonderful time there, feeding the ducks.
('Heather', 'Harold')
[Heather] and her father [Pedro] went to the park. They had a wonderful time there, feeding the ducks. [Pedro] borrowed some money from his sister [Beverly]. [Tracy] and [Beverly] are siblings. [Tracy] went to [Harold], her father.
[{('Heather', 'grandfather', 'Harold'): [('Heather', 'father', 'Pedro'), ('Pedro', 'father', 'Harold')]}, {('Pedro', 'father', 'Harold'): [('Pedro', 'sister', 'Beverly'), ('Beverly', 'father', 'Harold')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'sister', 'Tracy'), ('Tracy', 'father', 'Harold')]}]
['father', 'sister', 'sister', 'father']