[Wayne] was so excited to introduce his new girlfriend to his mother, [Ashley]. [Wayne] took his son [Kevin] to soccer practice.
('Ashley', 'Kevin')
[Wayne] was so excited to introduce his new girlfriend to his mother, [Ashley]. [Wayne] took his son [Kevin] to soccer practice.
[{('Ashley', 'grandson', 'Kevin'): [('Ashley', 'son', 'Wayne'), ('Wayne', 'son', 'Kevin')]}]
['son', 'son']