[George], [Lillian]'s husband, asked her where his daughter [Ann] was. [Lillian] said she did n't know.
('Lillian', 'Ann')
[George], [Lillian]'s husband, asked her where his daughter [Ann] was. [Lillian] said she did n't know.
[{('Lillian', 'daughter', 'Ann'): [('Lillian', 'husband', 'George'), ('George', 'daughter', 'Ann')]}]
['husband', 'daughter']