[Amy] took her daughter, [Mary], out to High Tea yesterday afternoon. [Clarence] is [Amy]'s father.
('Clarence', 'Mary')
[Clarence] is [Amy]'s father. [Amy] took her daughter, [Mary], out to High Tea yesterday afternoon.
[{('Clarence', 'granddaughter', 'Mary'): [('Clarence', 'daughter', 'Amy'), ('Amy', 'daughter', 'Mary')]}]
['daughter', 'daughter']