[Robert] brought home straight A's to his father [Harold]. [Antonio] brought home straight C's to his father [Harold]. [Bettie] does n't like having to babysit her younger brother, [Aaron]. [Antonio] is a man with a son named [Aaron].
('Bettie', 'Robert')
[Bettie] does n't like having to babysit her younger brother, [Aaron]. [Antonio] is a man with a son named [Aaron]. [Robert] brought home straight A's to his father [Harold]. [Antonio] brought home straight C's to his father [Harold].
[{('Bettie', 'uncle', 'Robert'): [('Bettie', 'father', 'Antonio'), ('Antonio', 'brother', 'Robert')]}, {('Bettie', 'father', 'Antonio'): [('Bettie', 'brother', 'Aaron'), ('Aaron', 'father', 'Antonio')]}, {('Antonio', 'brother', 'Robert'): [('Antonio', 'father', 'Harold'), ('Harold', 'son', 'Robert')]}]
['brother', 'father', 'father', 'son']