[Lillian] could n't wait to get off the plane to see her mother, [Ann]. [Lillian] is getting married. She is looking forward to her sister, [Amy], attending. They have n't seen each other since [Amy] relocated to California with her husband 3 years ago.
('Ann', 'Amy')
[Lillian] could n't wait to get off the plane to see her mother, [Ann]. [Lillian] is getting married. She is looking forward to her sister, [Amy], attending. They have n't seen each other since [Amy] relocated to California with her husband 3 years ago.
[{('Ann', 'aunt', 'Amy'): [('Ann', 'mother', 'Lillian'), ('Lillian', 'sister', 'Amy')]}]
['mother', 'sister']