[Linda] got a big birthday cake from her aunt [Amy]. [Linda] and her mother [Nancy] attended a play at the theater.
('Nancy', 'Amy')
[Linda] and her mother [Nancy] attended a play at the theater. [Linda] got a big birthday cake from her aunt [Amy].
[{('Nancy', 'sister', 'Amy'): [('Nancy', 'daughter', 'Linda'), ('Linda', 'aunt', 'Amy')]}]
['daughter', 'aunt']