[Beverly] went shopping for makeup with her sister [Dorothy]. [Beverly]'s son [Michael] stayed at home. [Pedro] and his brother [Robert] wanted to backpack across Europe together once they graduated college. [Michael] does not like being around his uncle, [Pedro]'s, company.
('Dorothy', 'Robert')
[Beverly] went shopping for makeup with her sister [Dorothy]. [Beverly]'s son [Michael] stayed at home. [Michael] does not like being around his uncle, [Pedro]'s, company. [Pedro] and his brother [Robert] wanted to backpack across Europe together once they graduated college.
[{('Dorothy', 'brother', 'Robert'): [('Dorothy', 'sister', 'Beverly'), ('Beverly', 'brother', 'Robert')]}, {('Beverly', 'brother', 'Robert'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'brother', 'Robert')]}, {('Beverly', 'brother', 'Pedro'): [('Beverly', 'son', 'Michael'), ('Michael', 'uncle', 'Pedro')]}]
['sister', 'son', 'uncle', 'brother']