[Nancy] realized that her father [Clarence] was gay. [Nancy] loves to make cookies for her son. His name is [Robert].
('Clarence', 'Robert')
[Nancy] realized that her father [Clarence] was gay. [Nancy] loves to make cookies for her son. His name is [Robert].
[{('Clarence', 'grandson', 'Robert'): [('Clarence', 'daughter', 'Nancy'), ('Nancy', 'son', 'Robert')]}]
['daughter', 'son']