[Dale]'s brother [Nicholas] came over to help him renovate the kitchen. [Ashley], [Dale]'s mother, brought over a home-made lunch.
('Ashley', 'Nicholas')
[Dale]'s brother [Nicholas] came over to help him renovate the kitchen. [Ashley], [Dale]'s mother, brought over a home-made lunch.
[{('Ashley', 'son', 'Nicholas'): [('Ashley', 'son', 'Dale'), ('Dale', 'brother', 'Nicholas')]}]
['son', 'brother']