[Lorraine] invited her sister [Linda] and her grandmother [Ashley] to her baby shower.
('Linda', 'Ashley')
[Lorraine] invited her sister [Linda] and her grandmother [Ashley] to her baby shower.
[{('Linda', 'grandmother', 'Ashley'): [('Linda', 'sister', 'Lorraine'), ('Lorraine', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']