[Carrie] took her younger sister [Natasha] to the carnival last weekend. [Joshua] went to the store with his brother, [Francisco]. [Francisco] is taking his daughter [Natasha] out for lunch at her favorite restaurant.
('Joshua', 'Carrie')
[Joshua] went to the store with his brother, [Francisco]. [Francisco] is taking his daughter [Natasha] out for lunch at her favorite restaurant. [Carrie] took her younger sister [Natasha] to the carnival last weekend.
[{('Joshua', 'niece', 'Carrie'): [('Joshua', 'brother', 'Francisco'), ('Francisco', 'daughter', 'Carrie')]}, {('Francisco', 'daughter', 'Carrie'): [('Francisco', 'daughter', 'Natasha'), ('Natasha', 'sister', 'Carrie')]}]
['brother', 'daughter', 'sister']