[Nancy] and her daughter [Lorraine] were on vaction. [Nancy] was shopping for a new jacket with her father [Clarence].
('Lorraine', 'Clarence')
[Nancy] and her daughter [Lorraine] were on vaction. [Nancy] was shopping for a new jacket with her father [Clarence].
[{('Lorraine', 'grandfather', 'Clarence'): [('Lorraine', 'mother', 'Nancy'), ('Nancy', 'father', 'Clarence')]}]
['mother', 'father']