[Tracy] is so happy for her son. Her son [Aaron] just joined the Army. [Erika] 'father, [Antonio], recently went back to school. [Antonio] took his son [Aaron] for boxing lessons. He felt the boy needed to toughen up. [Bettie] and her mother [Tracy] went dress shopping on Saturday.
('Erika', 'Bettie')
[Erika] 'father, [Antonio], recently went back to school. [Antonio] took his son [Aaron] for boxing lessons. He felt the boy needed to toughen up. [Tracy] is so happy for her son. Her son [Aaron] just joined the Army. [Bettie] and her mother [Tracy] went dress shopping on Saturday.
[{('Erika', 'sister', 'Bettie'): [('Erika', 'mother', 'Tracy'), ('Tracy', 'daughter', 'Bettie')]}, {('Erika', 'mother', 'Tracy'): [('Erika', 'brother', 'Aaron'), ('Aaron', 'mother', 'Tracy')]}, {('Erika', 'brother', 'Aaron'): [('Erika', 'father', 'Antonio'), ('Antonio', 'son', 'Aaron')]}]
['father', 'son', 'mother', 'daughter']