[George] read his daughter [Janet] a bedtime story. Soon she was fast asleep. [Janet] went to visit her aunt, [Amy], who's birthday was yesterday.
('George', 'Amy')
[George] read his daughter [Janet] a bedtime story. Soon she was fast asleep. [Janet] went to visit her aunt, [Amy], who's birthday was yesterday.
[{('George', 'sister', 'Amy'): [('George', 'daughter', 'Janet'), ('Janet', 'aunt', 'Amy')]}]
['daughter', 'aunt']