[David] and her daughter [Vanetta] went out for ice cream. [David] got a cone and [Vanetta] got a sundae. [Francisco] and his sister [Lena] went to the movies to watch the newest superhero flick. [Vanetta]'s uncle [Francisco] was looking forward to visiting for the summer.
('David', 'Lena')
[David] and her daughter [Vanetta] went out for ice cream. [David] got a cone and [Vanetta] got a sundae. [Vanetta]'s uncle [Francisco] was looking forward to visiting for the summer. [Francisco] and his sister [Lena] went to the movies to watch the newest superhero flick.
[{('David', 'sister', 'Lena'): [('David', 'brother', 'Francisco'), ('Francisco', 'sister', 'Lena')]}, {('David', 'brother', 'Francisco'): [('David', 'daughter', 'Vanetta'), ('Vanetta', 'uncle', 'Francisco')]}]
['daughter', 'uncle', 'sister']