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