[Bettie] went to Disneyland with her father, [Antonio], and her brother [Aaron]. [Tracy] loves to make cookies for her son. His name is [Bobby]. [Antonio] and his son [Bobby] went to the skating rink.
('Tracy', 'Aaron')
[Tracy] loves to make cookies for her son. His name is [Bobby]. [Antonio] and his son [Bobby] went to the skating rink. [Bettie] went to Disneyland with her father, [Antonio], and her brother [Aaron].
[{('Tracy', 'son', 'Aaron'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'brother', 'Aaron')]}, {('Bobby', 'brother', 'Aaron'): [('Bobby', 'sister', 'Bettie'), ('Bettie', 'brother', 'Aaron')]}, {('Bobby', 'sister', 'Bettie'): [('Bobby', 'father', 'Antonio'), ('Antonio', 'daughter', 'Bettie')]}]
['son', 'father', 'daughter', 'brother']