[Erika] and her sister [Bettie] have never been close. Still, they love each other because they are family. [Antonio] took his daughter [Erika] and son [Aaron] to the beach. [Tracy] and her daughter [Bettie] went out to dinner.
('Tracy', 'Aaron')
[Tracy] and her daughter [Bettie] went out to dinner. [Erika] and her sister [Bettie] have never been close. Still, they love each other because they are family. [Antonio] took his daughter [Erika] and son [Aaron] to the beach.
[{('Tracy', 'son', 'Aaron'): [('Tracy', 'daughter', 'Bettie'), ('Bettie', 'brother', 'Aaron')]}, {('Bettie', 'brother', 'Aaron'): [('Bettie', 'father', 'Antonio'), ('Antonio', 'son', 'Aaron')]}, {('Bettie', 'father', 'Antonio'): [('Bettie', 'sister', 'Erika'), ('Erika', 'father', 'Antonio')]}]
['daughter', 'sister', 'father', 'son']