[Clarence] told his daughter, [Lillian], to clean her room. [Lillian] complained to her sister, [Amy], about having to clean her room.
('Clarence', 'Amy')
[Clarence] told his daughter, [Lillian], to clean her room. [Lillian] complained to her sister, [Amy], about having to clean her room.
[{('Clarence', 'daughter', 'Amy'): [('Clarence', 'daughter', 'Lillian'), ('Lillian', 'sister', 'Amy')]}]
['daughter', 'sister']