[Rebecca] is taking a trip to see her sister [Cheryl]. [Annie] went to the lake to meet her father [Pedro] and her grandfather [Harold]. [Cheryl] was playing tag with her father [Pedro].
('Rebecca', 'Harold')
[Rebecca] is taking a trip to see her sister [Cheryl]. [Cheryl] was playing tag with her father [Pedro]. [Annie] went to the lake to meet her father [Pedro] and her grandfather [Harold].
[{('Rebecca', 'grandfather', 'Harold'): [('Rebecca', 'sister', 'Annie'), ('Annie', 'grandfather', 'Harold')]}, {('Rebecca', 'sister', 'Annie'): [('Rebecca', 'sister', 'Cheryl'), ('Cheryl', 'sister', 'Annie')]}, {('Cheryl', 'sister', 'Annie'): [('Cheryl', 'father', 'Pedro'), ('Pedro', 'daughter', 'Annie')]}]
['sister', 'father', 'daughter', 'grandfather']