[Beverly] and his son [Paul] are currently visiting [Paul]'s grandfather [Harold] and [Harold]'s son [Pedro]. [Cheryl] asked her father [Pedro] if she could spend the night with a friend and he said okay.
('Beverly', 'Cheryl')
[Beverly] and his son [Paul] are currently visiting [Paul]'s grandfather [Harold] and [Harold]'s son [Pedro]. [Cheryl] asked her father [Pedro] if she could spend the night with a friend and he said okay.
[{('Beverly', 'niece', 'Cheryl'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Cheryl')]}, {('Beverly', 'brother', 'Pedro'): [('Beverly', 'father', 'Harold'), ('Harold', 'son', 'Pedro')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'son', 'Paul'), ('Paul', 'grandfather', 'Harold')]}]
['son', 'grandfather', 'son', 'daughter']