[Cheryl] really enjoys visiting her grandfather [Harold]. [Heather] was playing hide-and-seek with her sister [Cheryl]. [Harold] loves his daughter [Beverly]. [Heather] and her mother [Dorothy] attended a play at the theater.
('Dorothy', 'Beverly')
[Heather] and her mother [Dorothy] attended a play at the theater. [Heather] was playing hide-and-seek with her sister [Cheryl]. [Cheryl] really enjoys visiting her grandfather [Harold]. [Harold] loves his daughter [Beverly].
[{('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'father', 'Harold'), ('Harold', 'daughter', 'Beverly')]}, {('Dorothy', 'father', 'Harold'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'grandfather', 'Harold')]}, {('Dorothy', 'daughter', 'Cheryl'): [('Dorothy', 'daughter', 'Heather'), ('Heather', 'sister', 'Cheryl')]}]
['daughter', 'sister', 'grandfather', 'daughter']