[Louise] and her mother [Nancy] are going to go to the cafe for lunch. [Nancy] is going to meet her sister [Amy] there.
('Louise', 'Amy')
[Louise] and her mother [Nancy] are going to go to the cafe for lunch. [Nancy] is going to meet her sister [Amy] there.
[{('Louise', 'aunt', 'Amy'): [('Louise', 'mother', 'Nancy'), ('Nancy', 'sister', 'Amy')]}]
['mother', 'sister']