[Ashley] and her son [Nicholas] went to the zoo and then out to dinner yesterday. [Nicholas] is raising his daughter, [Mary] all by himself.
('Ashley', 'Mary')
[Ashley] and her son [Nicholas] went to the zoo and then out to dinner yesterday. [Nicholas] is raising his daughter, [Mary] all by himself.
[{('Ashley', 'granddaughter', 'Mary'): [('Ashley', 'son', 'Nicholas'), ('Nicholas', 'daughter', 'Mary')]}]
['son', 'daughter']