[Antonio] loved teaching his son, [Bernardo], baseball. [Aaron] went fishing with his uncle [Robert]. [Tracy] just dropped off her son, [Bernardo], at soccer practice. Now she was on her to way to pick up her other son, [Aaron], from basketball practice.
('Antonio', 'Robert')
[Antonio] loved teaching his son, [Bernardo], baseball. [Tracy] just dropped off her son, [Bernardo], at soccer practice. Now she was on her to way to pick up her other son, [Aaron], from basketball practice. [Aaron] went fishing with his uncle [Robert].
[{('Antonio', 'brother', 'Robert'): [('Antonio', 'son', 'Bernardo'), ('Bernardo', 'uncle', 'Robert')]}, {('Bernardo', 'uncle', 'Robert'): [('Bernardo', 'mother', 'Tracy'), ('Tracy', 'brother', 'Robert')]}, {('Tracy', 'brother', 'Robert'): [('Tracy', 'son', 'Aaron'), ('Aaron', 'uncle', 'Robert')]}]
['son', 'mother', 'son', 'uncle']