[Michael]'s uncle, [Robert], is finally getting help for his alcoholism. [Beverly] could n't wait for the surprise birthday party that she was throwing for her brother [Pedro] next weekend. [Beverly]'s son, [Paul], came over to her house for dinner. [Michael], [Paul]'s brother, came too.
('Pedro', 'Robert')
[Beverly] could n't wait for the surprise birthday party that she was throwing for her brother [Pedro] next weekend. [Beverly]'s son, [Paul], came over to her house for dinner. [Michael], [Paul]'s brother, came too. [Michael]'s uncle, [Robert], is finally getting help for his alcoholism.
[{('Pedro', 'brother', 'Robert'): [('Pedro', 'sister', 'Beverly'), ('Beverly', 'brother', 'Robert')]}, {('Beverly', 'brother', 'Robert'): [('Beverly', 'son', 'Michael'), ('Michael', 'uncle', 'Robert')]}, {('Beverly', 'son', 'Michael'): [('Beverly', 'son', 'Paul'), ('Paul', 'brother', 'Michael')]}]
['sister', 'son', 'brother', 'uncle']