[Marie] had a heart-to-heart conversation with her daughter [Angelica] about some things. [Marie] looked all over the house for her son [Ronald], but could n't find him. That's because [Ronald] was outside in the back yard, playing baseball with his brother [Mario]. [Lizzie] went on a vacation with her brother [Mario].
('Lizzie', 'Angelica')
[Lizzie] went on a vacation with her brother [Mario]. [Marie] looked all over the house for her son [Ronald], but could n't find him. That's because [Ronald] was outside in the back yard, playing baseball with his brother [Mario]. [Marie] had a heart-to-heart conversation with her daughter [Angelica] about some things.
[{('Lizzie', 'sister', 'Angelica'): [('Lizzie', 'brother', 'Mario'), ('Mario', 'sister', 'Angelica')]}, {('Mario', 'sister', 'Angelica'): [('Mario', 'brother', 'Ronald'), ('Ronald', 'sister', 'Angelica')]}, {('Ronald', 'sister', 'Angelica'): [('Ronald', 'mother', 'Marie'), ('Marie', 'daughter', 'Angelica')]}]
['brother', 'brother', 'mother', 'daughter']