[Ashley] has a granddaughter called [Mary] who is her favourite. [Mary] was sewing a sweater for her sister [Jennifer].
('Jennifer', 'Ashley')
[Mary] was sewing a sweater for her sister [Jennifer]. [Ashley] has a granddaughter called [Mary] who is her favourite.
[{('Jennifer', 'grandmother', 'Ashley'): [('Jennifer', 'sister', 'Mary'), ('Mary', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']