[Ashley] is making tacos with her son [Dale]. [Dale]'s son [Nicolas] loves tacos.
('Nicolas', 'Ashley')
[Ashley] is making tacos with her son [Dale]. [Dale]'s son [Nicolas] loves tacos.
[{('Nicolas', 'grandmother', 'Ashley'): [('Nicolas', 'father', 'Dale'), ('Dale', 'mother', 'Ashley')]}]
['father', 'mother']