[Nancy]'s mother [Ashley] went to pick up [Linda]. [Linda]'s mother, [Nancy], could n't be there to pick up [Linda].
('Linda', 'Ashley')
[Nancy]'s mother [Ashley] went to pick up [Linda]. [Linda]'s mother, [Nancy], could n't be there to pick up [Linda].
[{('Linda', 'grandmother', 'Ashley'): [('Linda', 'mother', 'Nancy'), ('Nancy', 'mother', 'Ashley')]}]
['mother', 'mother']