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