[Antonio] and his wife [Tracy] made a pizza for their son [Aaron]. [Aaron]'s sister [Erika] ate pasta instead. [Erika] took her uncle [Louis] to the grocery store.
('Antonio', 'Louis')
[Antonio] and his wife [Tracy] made a pizza for their son [Aaron]. [Aaron]'s sister [Erika] ate pasta instead. [Erika] took her uncle [Louis] to the grocery store.
[{('Antonio', 'brother', 'Louis'): [('Antonio', 'daughter', 'Erika'), ('Erika', 'uncle', 'Louis')]}, {('Antonio', 'daughter', 'Erika'): [('Antonio', 'son', 'Aaron'), ('Aaron', 'sister', 'Erika')]}, {('Antonio', 'son', 'Aaron'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'son', 'Aaron')]}]
['wife', 'son', 'sister', 'uncle']