[Robert]'s son [Mario] entered rehab for the ninth time at the age of thirty. [Robert] played catch with his dad, [Harold] [Dorothy] is taking her nephew [Mario] to the park. [Dorothy] drove her son [Jerome] to his soccer game.
('Harold', 'Jerome')
[Robert] played catch with his dad, [Harold] [Robert]'s son [Mario] entered rehab for the ninth time at the age of thirty. [Dorothy] is taking her nephew [Mario] to the park. [Dorothy] drove her son [Jerome] to his soccer game.
[{('Harold', 'grandson', 'Jerome'): [('Harold', 'daughter', 'Dorothy'), ('Dorothy', 'son', 'Jerome')]}, {('Harold', 'daughter', 'Dorothy'): [('Harold', 'son', 'Robert'), ('Robert', 'sister', 'Dorothy')]}, {('Robert', 'sister', 'Dorothy'): [('Robert', 'son', 'Mario'), ('Mario', 'aunt', 'Dorothy')]}]
['son', 'son', 'aunt', 'son']