[Clarence]'s wife [Ashley] is planning a surprise birthday party for him. [Clarence] was very happy when his daughter Alice gave birth to [Mary].
('Ashley', 'Mary')
[Clarence]'s wife [Ashley] is planning a surprise birthday party for him. [Clarence] was very happy when his daughter Alice gave birth to [Mary].
[{('Ashley', 'granddaughter', 'Mary'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'granddaughter', 'Mary')]}]
['husband', 'granddaughter']