[Ann] and her sister [April] played golf together. [Ann] won easily. [Ashley] took her granddaughter [Ann] on a long walk during the pretty spring day.
('April', 'Ashley')
[Ann] and her sister [April] played golf together. [Ann] won easily. [Ashley] took her granddaughter [Ann] on a long walk during the pretty spring day.
[{('April', 'grandmother', 'Ashley'): [('April', 'sister', 'Ann'), ('Ann', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']