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