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