[Janet] took her grandfather [Clarence] out for breakfast while her mother, [Lillian], was at work.
('Lillian', 'Clarence')
[Janet] took her grandfather [Clarence] out for breakfast while her mother, [Lillian], was at work.
[{('Lillian', 'father', 'Clarence'): [('Lillian', 'daughter', 'Janet'), ('Janet', 'grandfather', 'Clarence')]}]
['daughter', 'grandfather']