[Emily] invited her grandmother [Ashley] and her sister [Jennifer] over to watch movies.
('Ashley', 'Jennifer')
[Emily] invited her grandmother [Ashley] and her sister [Jennifer] over to watch movies.
[{('Ashley', 'granddaughter', 'Jennifer'): [('Ashley', 'granddaughter', 'Emily'), ('Emily', 'sister', 'Jennifer')]}]
['granddaughter', 'sister']