[Clarence] was planning a trip to see his daughter, [Lillian]. [Lillian]'s daughter, [April], helped with the details.
('Clarence', 'April')
[Clarence] was planning a trip to see his daughter, [Lillian]. [Lillian]'s daughter, [April], helped with the details.
[{('Clarence', 'granddaughter', 'April'): [('Clarence', 'daughter', 'Lillian'), ('Lillian', 'daughter', 'April')]}]
['daughter', 'daughter']