[Jerry] id [Lillian]'s only child. They have a really strong bond. They spend a lot of their free time together. [Lillian] is getting married. She is looking forward to her sister, [Nancy], attending. They have n't seen each other since [Nancy] relocated to California with her husband 3 years ago.
('Jerry', 'Nancy')
[Jerry] id [Lillian]'s only child. They have a really strong bond. They spend a lot of their free time together. [Lillian] is getting married. She is looking forward to her sister, [Nancy], attending. They have n't seen each other since [Nancy] relocated to California with her husband 3 years ago.
[{('Jerry', 'aunt', 'Nancy'): [('Jerry', 'mother', 'Lillian'), ('Lillian', 'sister', 'Nancy')]}]
['mother', 'sister']