[Ashley], asked her son [Nicholas] if he wanted to go to the aquarium with her. [Nicholas] said yes, if his son [Milton] could come too.
('Ashley', 'Milton')
[Ashley], asked her son [Nicholas] if he wanted to go to the aquarium with her. [Nicholas] said yes, if his son [Milton] could come too.
[{('Ashley', 'grandson', 'Milton'): [('Ashley', 'son', 'Nicholas'), ('Nicholas', 'son', 'Milton')]}]
['son', 'son']