[Bobby] did n't get along very well with his sister [Evangeline] for some reason. [Gloria] and her sister [Evangeline] both wanted to play with the same doll. [Gloria]'s mother, [David], told them to share.
('Bobby', 'David')
[Bobby] did n't get along very well with his sister [Evangeline] for some reason. [Gloria] and her sister [Evangeline] both wanted to play with the same doll. [Gloria]'s mother, [David], told them to share.
[{('Bobby', 'mother', 'David'): [('Bobby', 'sister', 'Gloria'), ('Gloria', 'mother', 'David')]}, {('Bobby', 'sister', 'Gloria'): [('Bobby', 'sister', 'Evangeline'), ('Evangeline', 'sister', 'Gloria')]}]
['sister', 'sister', 'mother']