[Francisco] and his wife [Cindy] took their daughter [Wilhelmina] to see her grandmother [Frances] Saturday afternoon.
('Francisco', 'Frances')
[Francisco] and his wife [Cindy] took their daughter [Wilhelmina] to see her grandmother [Frances] Saturday afternoon.
[{('Francisco', 'mother-in-law', 'Frances'): [('Francisco', 'wife', 'Cindy'), ('Cindy', 'mother', 'Frances')]}, {('Cindy', 'mother', 'Frances'): [('Cindy', 'daughter', 'Wilhelmina'), ('Wilhelmina', 'grandmother', 'Frances')]}]
['wife', 'daughter', 'grandmother']