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