[Linda] went shopping at the mall with her mother [Nancy] [Nancy] treasures her son, [Robert]. She recently attended his high school graduation and it was the proudest day of her life.
('Linda', 'Robert')
[Linda] went shopping at the mall with her mother [Nancy] [Nancy] treasures her son, [Robert]. She recently attended his high school graduation and it was the proudest day of her life.
[{('Linda', 'brother', 'Robert'): [('Linda', 'mother', 'Nancy'), ('Nancy', 'son', 'Robert')]}]
['mother', 'son']