[Hugh] and his wife [David] took their daughter [Evangeline] to the zoo. [Evangeline]'s sister [Vanetta] does n't like animals and did n't go.
('David', 'Vanetta')
[Hugh] and his wife [David] took their daughter [Evangeline] to the zoo. [Evangeline]'s sister [Vanetta] does n't like animals and did n't go.
[{('David', 'daughter', 'Vanetta'): [('David', 'daughter', 'Evangeline'), ('Evangeline', 'sister', 'Vanetta')]}, {('Evangeline', 'sister', 'Vanetta'): [('Evangeline', 'father', 'Hugh'), ('Hugh', 'daughter', 'Vanetta')]}]
['daughter', 'father', 'daughter']