[Lizzie] and her sister [Angelica] went out to eat with [Lizzie]'s father, [Robert]. [Mario] looked up to his older brother named [Ronald]. [Ronald] was very strong and quite brave and that's the reason [Mario] admires him. [Robert] went hunting with his son, [Ronald].
('Mario', 'Angelica')
[Mario] looked up to his older brother named [Ronald]. [Ronald] was very strong and quite brave and that's the reason [Mario] admires him. [Robert] went hunting with his son, [Ronald]. [Lizzie] and her sister [Angelica] went out to eat with [Lizzie]'s father, [Robert].
[{('Mario', 'sister', 'Angelica'): [('Mario', 'father', 'Robert'), ('Robert', 'daughter', 'Angelica')]}, {('Robert', 'daughter', 'Angelica'): [('Robert', 'daughter', 'Lizzie'), ('Lizzie', 'sister', 'Angelica')]}, {('Mario', 'father', 'Robert'): [('Mario', 'brother', 'Ronald'), ('Ronald', 'father', 'Robert')]}]
['brother', 'father', 'daughter', 'sister']