[Lena] was playing hide-and-seek with her sister [Cindy]. [David] is very proud of her son. His name is [Michael]. [Lena] is a woman with a sister named [David].
('Michael', 'Cindy')
[David] is very proud of her son. His name is [Michael]. [Lena] is a woman with a sister named [David]. [Lena] was playing hide-and-seek with her sister [Cindy].
[{('Michael', 'aunt', 'Cindy'): [('Michael', 'mother', 'David'), ('David', 'sister', 'Cindy')]}, {('David', 'sister', 'Cindy'): [('David', 'sister', 'Lena'), ('Lena', 'sister', 'Cindy')]}]
['mother', 'sister', 'sister']