[George] is very happy to have such a great daughter like [April]. [Ann] and her sister [April] played golf together. [Ann] won easily.
('George', 'Ann')
[George] is very happy to have such a great daughter like [April]. [Ann] and her sister [April] played golf together. [Ann] won easily.
[{('George', 'daughter', 'Ann'): [('George', 'daughter', 'April'), ('April', 'sister', 'Ann')]}]
['daughter', 'sister']