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