[Antonio] and [Tracy] married and had two kids, [Bobby] and [Erika]. [Aaron] is one of [Erika]'s brothers. They have lots of fun together.
('Tracy', 'Aaron')
[Antonio] and [Tracy] married and had two kids, [Bobby] and [Erika]. [Aaron] is one of [Erika]'s brothers. They have lots of fun together.
[{('Tracy', 'son', 'Aaron'): [('Tracy', 'daughter', 'Erika'), ('Erika', 'brother', 'Aaron')]}, {('Tracy', 'daughter', 'Erika'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'sister', 'Erika')]}, {('Bobby', 'sister', 'Erika'): [('Bobby', 'father', 'Antonio'), ('Antonio', 'daughter', 'Erika')]}]
['son', 'father', 'daughter', 'brother']