[Martha] and her daughter [Ann] went out for ice cream. [Martha] got a cone and [Ann] got a sundae. [Mary] took her daughter, [Martha], out to High Tea yesterday afternoon.
('Mary', 'Ann')
[Mary] took her daughter, [Martha], out to High Tea yesterday afternoon. [Martha] and her daughter [Ann] went out for ice cream. [Martha] got a cone and [Ann] got a sundae.
[{('Mary', 'granddaughter', 'Ann'): [('Mary', 'daughter', 'Martha'), ('Martha', 'daughter', 'Ann')]}]