[Ashley] took her daughter, [Amy], to lunch. [Amy] was honored to take her son [Michael] to the mother son dance at her son's school last Friday.
('Michael', 'Ashley')
[Amy] was honored to take her son [Michael] to the mother son dance at her son's school last Friday. [Ashley] took her daughter, [Amy], to lunch.
[{('Michael', 'grandmother', 'Ashley'): [('Michael', 'mother', 'Amy'), ('Amy', 'mother', 'Ashley')]}]
['mother', 'mother']