[Emily] and her brother [Michael] took her grandmother [Ashley] to the store to buy a new dress.
('Ashley', 'Michael')
[Emily] and her brother [Michael] took her grandmother [Ashley] to the store to buy a new dress.
[{('Ashley', 'grandson', 'Michael'): [('Ashley', 'granddaughter', 'Emily'), ('Emily', 'brother', 'Michael')]}]
['granddaughter', 'brother']