[Clarence]'s daughter, [Nancy], went to the store. [Nancy]'s daughter, [Louise], accompanied her.
('Clarence', 'Louise')
[Clarence]'s daughter, [Nancy], went to the store. [Nancy]'s daughter, [Louise], accompanied her.
[{('Clarence', 'granddaughter', 'Louise'): [('Clarence', 'daughter', 'Nancy'), ('Nancy', 'daughter', 'Louise')]}]
['daughter', 'daughter']