[James] took his daughter [David] to the bookstore, and bought her some books from her favorite author. [Lynn] was more than happy to help her sister by watching her child [Marie]. [David] and her daughter [Marie] are entering the competition together.
('James', 'Lynn')
[James] took his daughter [David] to the bookstore, and bought her some books from her favorite author. [David] and her daughter [Marie] are entering the competition together. [Lynn] was more than happy to help her sister by watching her child [Marie].
[{('James', 'daughter', 'Lynn'): [('James', 'daughter', 'David'), ('David', 'sister', 'Lynn')]}, {('David', 'sister', 'Lynn'): [('David', 'daughter', 'Marie'), ('Marie', 'aunt', 'Lynn')]}]
['daughter', 'daughter', 'aunt']