[Marie] took her daughter [Lizzie] to the movies. [Lizzie]'s brother [Ronald] was glad because he had the house all to himself finally. [Robert] and [Marie] are married. [Antonio] and [Ronald] get along pretty well but it has nothing to do with [Antonio] being the uncle of [Ronald].
('Robert', 'Antonio')
[Robert] and [Marie] are married. [Marie] took her daughter [Lizzie] to the movies. [Lizzie]'s brother [Ronald] was glad because he had the house all to himself finally. [Antonio] and [Ronald] get along pretty well but it has nothing to do with [Antonio] being the uncle of [Ronald].
[{('Robert', 'brother', 'Antonio'): [('Robert', 'son', 'Ronald'), ('Ronald', 'uncle', 'Antonio')]}, {('Robert', 'son', 'Ronald'): [('Robert', 'wife', 'Marie'), ('Marie', 'son', 'Ronald')]}, {('Marie', 'son', 'Ronald'): [('Marie', 'daughter', 'Lizzie'), ('Lizzie', 'brother', 'Ronald')]}]
['wife', 'daughter', 'brother', 'uncle']