[Beverly] showed pictures of her son [Wayne] to her sister [Marie] [Wayne] was playing golf with his uncle [Robert]. [Harold] took his daughter [Marie] to the bookstore, and bought her some books from her favorite author.
('Harold', 'Robert')
[Harold] took his daughter [Marie] to the bookstore, and bought her some books from her favorite author. [Beverly] showed pictures of her son [Wayne] to her sister [Marie] [Wayne] was playing golf with his uncle [Robert].
[{('Harold', 'son', 'Robert'): [('Harold', 'daughter', 'Beverly'), ('Beverly', 'brother', 'Robert')]}, {('Beverly', 'brother', 'Robert'): [('Beverly', 'son', 'Wayne'), ('Wayne', 'uncle', 'Robert')]}, {('Harold', 'daughter', 'Beverly'): [('Harold', 'daughter', 'Marie'), ('Marie', 'sister', 'Beverly')]}]
['daughter', 'sister', 'son', 'uncle']