[Bobby] is a man with a son named [Hugh]. [Bobby] visited his aunt [Cindy]. [James] went to pick up his son [Hugh] from the baseball practice.
('James', 'Cindy')
[James] went to pick up his son [Hugh] from the baseball practice. [Bobby] is a man with a son named [Hugh]. [Bobby] visited his aunt [Cindy].
[{('James', 'daughter', 'Cindy'): [('James', 'son', 'Hugh'), ('Hugh', 'sister', 'Cindy')]}, {('Hugh', 'sister', 'Cindy'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'aunt', 'Cindy')]}]
['son', 'son', 'aunt']