[Nicholas] and his son [Dennis] were working in their vegetable garden in the backyard. [Ashley] asked [Nicholas], her son, to bring her carrots, tomatoes, and potatoes, for the stew she was making for dinner.
('Ashley', 'Dennis')
[Nicholas] and his son [Dennis] were working in their vegetable garden in the backyard. [Ashley] asked [Nicholas], her son, to bring her carrots, tomatoes, and potatoes, for the stew she was making for dinner.
[{('Ashley', 'grandson', 'Dennis'): [('Ashley', 'son', 'Nicholas'), ('Nicholas', 'son', 'Dennis')]}]
['son', 'son']