[Lillian] and her husband [George] went skiing. [Lillian]'s daughter [Janet] went snowboarding instead.
('George', 'Janet')
[Lillian] and her husband [George] went skiing. [Lillian]'s daughter [Janet] went snowboarding instead.
[{('George', 'daughter', 'Janet'): [('George', 'wife', 'Lillian'), ('Lillian', 'daughter', 'Janet')]}]
['wife', 'daughter']