[Amy] took her younger sister [Nancy] to the carnival last weekend. [Lorraine] called her mother [Nancy] to let her know she will be back home soon.
('Lorraine', 'Amy')
[Lorraine] called her mother [Nancy] to let her know she will be back home soon. [Amy] took her younger sister [Nancy] to the carnival last weekend.
[{('Lorraine', 'aunt', 'Amy'): [('Lorraine', 'mother', 'Nancy'), ('Nancy', 'sister', 'Amy')]}]
['mother', 'sister']