[Nancy] enjoys making burritos for her son. His name is [Robert]. [Ashley] could n't wait to get off the plane to see her mother, [Nancy].
('Robert', 'Ashley')
[Nancy] enjoys making burritos for her son. His name is [Robert]. [Ashley] could n't wait to get off the plane to see her mother, [Nancy].
[{('Robert', 'grandmother', 'Ashley'): [('Robert', 'mother', 'Nancy'), ('Nancy', 'mother', 'Ashley')]}]
['mother', 'mother']