[Pedro] went to visit his sister [Beverly]. His daughter [Annie] stayed home with her mother. [Antonio] was angry with his brother [Robert] for forgetting to pick him up from school. [Annie] has a wonderful relationship with her uncle [Antonio].
('Beverly', 'Robert')
[Pedro] went to visit his sister [Beverly]. His daughter [Annie] stayed home with her mother. [Annie] has a wonderful relationship with her uncle [Antonio]. [Antonio] was angry with his brother [Robert] for forgetting to pick him up from school.
[{('Beverly', 'brother', 'Robert'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'brother', 'Robert')]}, {('Pedro', 'brother', 'Robert'): [('Pedro', 'brother', 'Antonio'), ('Antonio', 'brother', 'Robert')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'daughter', 'Annie'), ('Annie', 'uncle', 'Antonio')]}]
['brother', 'daughter', 'uncle', 'brother']