[Carrie] is best friends with her sister [Natasha]. [Natasha] does not get along with her brother [Richard]. [Natasha]'s mom, [Cindy], has recently taken art classes.
('Richard', 'Cindy')
[Carrie] is best friends with her sister [Natasha]. [Natasha] does not get along with her brother [Richard]. [Natasha]'s mom, [Cindy], has recently taken art classes.
[{('Richard', 'mother', 'Cindy'): [('Richard', 'sister', 'Carrie'), ('Carrie', 'mother', 'Cindy')]}, {('Carrie', 'mother', 'Cindy'): [('Carrie', 'sister', 'Natasha'), ('Natasha', 'mother', 'Cindy')]}]
['sister', 'sister', 'mother']