[Wilhelmina] and [Anna] are sisters who have one brother named [Pete]. [Cindy]'s daughter, [Anna], just graduated high school.
('Cindy', 'Wilhelmina')
[Cindy]'s daughter, [Anna], just graduated high school. [Wilhelmina] and [Anna] are sisters who have one brother named [Pete].
[{('Cindy', 'daughter', 'Wilhelmina'): [('Cindy', 'daughter', 'Anna'), ('Anna', 'sister', 'Wilhelmina')]}, {('Anna', 'sister', 'Wilhelmina'): [('Anna', 'brother', 'Pete'), ('Pete', 'sister', 'Wilhelmina')]}]
['daughter', 'brother', 'sister']