[Harold] took his son [Antonio] to school this morning because he missed the bus. [Marie] and her brother [Antonio] are taking [Marie]'s son [Allan] to the park. [Dorothy] 'father, [Harold], recently went back to school.
('Dorothy', 'Allan')
[Dorothy] 'father, [Harold], recently went back to school. [Harold] took his son [Antonio] to school this morning because he missed the bus. [Marie] and her brother [Antonio] are taking [Marie]'s son [Allan] to the park.
[{('Dorothy', 'nephew', 'Allan'): [('Dorothy', 'sister', 'Marie'), ('Marie', 'son', 'Allan')]}, {('Dorothy', 'sister', 'Marie'): [('Dorothy', 'father', 'Harold'), ('Harold', 'daughter', 'Marie')]}, {('Harold', 'daughter', 'Marie'): [('Harold', 'son', 'Antonio'), ('Antonio', 'sister', 'Marie')]}]
['father', 'son', 'sister', 'son']