[Natasha] was playing in the sandbox with her brother [Wayne]. [Carrie] wants to go visit her grandmother [Frances] at her new home. [Carrie] does n't want to go alone and asked her brother [Wayne] to come with her.
('Natasha', 'Frances')
[Natasha] was playing in the sandbox with her brother [Wayne]. [Carrie] wants to go visit her grandmother [Frances] at her new home. [Carrie] does n't want to go alone and asked her brother [Wayne] to come with her.
[{('Natasha', 'grandmother', 'Frances'): [('Natasha', 'brother', 'Wayne'), ('Wayne', 'grandmother', 'Frances')]}, {('Wayne', 'grandmother', 'Frances'): [('Wayne', 'sister', 'Carrie'), ('Carrie', 'grandmother', 'Frances')]}]
['brother', 'sister', 'grandmother']