[John] liked to play catch with his daughter [Renee]. [Renee] and her sister [Ann] are the only children in their family.
('Ann', 'John')
[Renee] and her sister [Ann] are the only children in their family. [John] liked to play catch with his daughter [Renee].
[{('Ann', 'father', 'John'): [('Ann', 'sister', 'Renee'), ('Renee', 'father', 'John')]}]