[Wayne] took his daughter [Lorraine] to the zoo on Saturday. [Wayne]'s wife [Nancy] could n't come as she had to work that day.
('Nancy', 'Lorraine')
[Wayne] took his daughter [Lorraine] to the zoo on Saturday. [Wayne]'s wife [Nancy] could n't come as she had to work that day.
[{('Nancy', 'daughter', 'Lorraine'): [('Nancy', 'husband', 'Wayne'), ('Wayne', 'daughter', 'Lorraine')]}]
['husband', 'daughter']