[Amy] and her husband [Nicholas] watched the fireworks by the lake last night. [Nicholas] loves his daughter [Mary].
('Amy', 'Mary')
[Amy] and her husband [Nicholas] watched the fireworks by the lake last night. [Nicholas] loves his daughter [Mary].
[{('Amy', 'daughter', 'Mary'): [('Amy', 'husband', 'Nicholas'), ('Nicholas', 'daughter', 'Mary')]}]
['husband', 'daughter']