[Ann] has an aunt named [Nancy] [Lillian]'s daughter, [Ann], asked her mom to read her a story.
('Lillian', 'Nancy')
[Lillian]'s daughter, [Ann], asked her mom to read her a story. [Ann] has an aunt named [Nancy]
[{('Lillian', 'sister', 'Nancy'): [('Lillian', 'daughter', 'Ann'), ('Ann', 'aunt', 'Nancy')]}]
['daughter', 'aunt']