[George] and his wife [Lillian] went to his daughter [April]'s school
('Lillian', 'April')
[George] and his wife [Lillian] went to his daughter [April]'s school
[{('Lillian', 'daughter', 'April'): [('Lillian', 'husband', 'George'), ('George', 'daughter', 'April')]}]
['husband', 'daughter']