[Lillian]'s daughter, [Andrea], just graduated high school. [Clarence] played cards with his son. His son's daughter [Andrea] did not find it to be amusing.
('Lillian', 'Clarence')
[Lillian]'s daughter, [Andrea], just graduated high school. [Clarence] played cards with his son. His son's daughter [Andrea] did not find it to be amusing.
[{('Lillian', 'father', 'Clarence'): [('Lillian', 'daughter', 'Andrea'), ('Andrea', 'grandfather', 'Clarence')]}]
['daughter', 'grandfather']