[Dale] takes his son [Tony] to the movie theater. [Ashley], [Tony]'s grandmother, waits for the two at home.
('Dale', 'Ashley')
[Dale] takes his son [Tony] to the movie theater. [Ashley], [Tony]'s grandmother, waits for the two at home.
[{('Dale', 'mother', 'Ashley'): [('Dale', 'son', 'Tony'), ('Tony', 'grandmother', 'Ashley')]}]
['son', 'grandmother']