[Nancy]'s daughter, [Lorraine], just graduated high school. [Dale] is picking up his niece [Lorraine] from school today because her parents are both working.
('Nancy', 'Dale')
[Nancy]'s daughter, [Lorraine], just graduated high school. [Dale] is picking up his niece [Lorraine] from school today because her parents are both working.
[{('Nancy', 'brother', 'Dale'): [('Nancy', 'daughter', 'Lorraine'), ('Lorraine', 'uncle', 'Dale')]}]
['daughter', 'uncle']