[Robert] is the proud husband of [Marie]. [Robert] also have a great relationship with his son, [Mario]. [Robert] enjoys the company of his wife, [Marie], in the evenings. [Mario] and his sister [Lizzie] went to the movies to watch the newest superhero flick.
('Robert', 'Lizzie')
[Robert] enjoys the company of his wife, [Marie], in the evenings. [Robert] is the proud husband of [Marie]. [Robert] also have a great relationship with his son, [Mario]. [Mario] and his sister [Lizzie] went to the movies to watch the newest superhero flick.
[{('Robert', 'daughter', 'Lizzie'): [('Robert', 'wife', 'Marie'), ('Marie', 'daughter', 'Lizzie')]}, {('Marie', 'daughter', 'Lizzie'): [('Marie', 'son', 'Mario'), ('Mario', 'sister', 'Lizzie')]}, {('Marie', 'son', 'Mario'): [('Marie', 'husband', 'Robert'), ('Robert', 'son', 'Mario')]}]
['wife', 'husband', 'son', 'sister']