[Heather] was spending the weekend at her grandfather's cabin. His name was [Harold]. [Heather]'s mom, [Dorothy], had gone to a camp out with her friends. [Antonio] was at the house too. He was [Harold]'s son. [Dorothy] took her sister [Marie] out for dinner to celebrate her birthday.
('Marie', 'Antonio')
[Dorothy] took her sister [Marie] out for dinner to celebrate her birthday. [Heather] was spending the weekend at her grandfather's cabin. His name was [Harold]. [Heather]'s mom, [Dorothy], had gone to a camp out with her friends. [Antonio] was at the house too. He was [Harold]'s son.
[{('Marie', 'brother', 'Antonio'): [('Marie', 'father', 'Harold'), ('Harold', 'son', 'Antonio')]}, {('Marie', 'father', 'Harold'): [('Marie', 'sister', 'Dorothy'), ('Dorothy', 'father', 'Harold')]}, {('Dorothy', 'father', 'Harold'): [('Dorothy', 'daughter', 'Heather'), ('Heather', 'grandfather', 'Harold')]}]
['sister', 'daughter', 'grandfather', 'son']