[Dale] 'son [Nicolas] could not believe that his father bought him a coffee machine for his birthday. [Nicolas]'s grandfather, [Clarence], was part of a famous band.
('Dale', 'Clarence')
[Dale] 'son [Nicolas] could not believe that his father bought him a coffee machine for his birthday. [Nicolas]'s grandfather, [Clarence], was part of a famous band.
[{('Dale', 'father', 'Clarence'): [('Dale', 'son', 'Nicolas'), ('Nicolas', 'grandfather', 'Clarence')]}]
['son', 'grandfather']