[Constance] takes her son [Timmy] to the park every Saturday. [Herman] always enjoyed playing with his sister, [Constance], when they were growing up.
('Herman', 'Timmy')
[Herman] always enjoyed playing with his sister, [Constance], when they were growing up. [Constance] takes her son [Timmy] to the park every Saturday.
[{('Herman', 'nephew', 'Timmy'): [('Herman', 'sister', 'Constance'), ('Constance', 'son', 'Timmy')]}]