[Janet] and her sister [April] played golf together. [Janet] won easily. [April]'s mother is the child of [Ashley].
('Ashley', 'Janet')
[April]'s mother is the child of [Ashley]. [Janet] and her sister [April] played golf together. [Janet] won easily.
[{('Ashley', 'granddaughter', 'Janet'): [('Ashley', 'granddaughter', 'April'), ('April', 'sister', 'Janet')]}]
['granddaughter', 'sister']