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