[Shantel] loves cooking for her son. His name is [Antonio]. [Shantel] took her son [Robert] to the park. [Beverly]'s son [Samuel] and brother [Antonio] came to her birthday party last weekend.
('Robert', 'Samuel')
[Shantel] took her son [Robert] to the park. [Shantel] loves cooking for her son. His name is [Antonio]. [Beverly]'s son [Samuel] and brother [Antonio] came to her birthday party last weekend.
[{('Robert', 'nephew', 'Samuel'): [('Robert', 'sister', 'Beverly'), ('Beverly', 'son', 'Samuel')]}, {('Robert', 'sister', 'Beverly'): [('Robert', 'mother', 'Shantel'), ('Shantel', 'daughter', 'Beverly')]}, {('Shantel', 'daughter', 'Beverly'): [('Shantel', 'son', 'Antonio'), ('Antonio', 'sister', 'Beverly')]}]
['mother', 'son', 'sister', 'son']