[Nancy]'s daughter, [Heidi], just graduated high school. [Nancy] and her daughter [Lorraine] were on vaction.
('Lorraine', 'Heidi')
[Nancy] and her daughter [Lorraine] were on vaction. [Nancy]'s daughter, [Heidi], just graduated high school.
[{('Lorraine', 'sister', 'Heidi'): [('Lorraine', 'mother', 'Nancy'), ('Nancy', 'daughter', 'Heidi')]}]
['mother', 'daughter']